Home / 5,615,387.40-8,423,081.10-2,774,911.80

Finding the Fourth Proportional to 5,615,387.40, 8,423,081.10 and 2,774,911.80

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Solution

The fourth proportional to 5,615,387.40, 8,423,081.10 and 2,774,911.80 is: 4,162,367.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615,387.40 : 8,423,081.10 = 2,774,911.80 : x
  2. Step 2: Convert to fraction form
    5,615,387.40/8,423,081.10 = 2,774,911.80/x
  3. Step 3: Cross multiply
    5,615,387.40x = 8,423,081.10 × 2,774,911.80
  4. Step 4: Simplify right side
    5,615,387.40x = 23,373,307,136,746.98
  5. Step 5: Solve for x
    x = 23,373,307,136,746.98/5,615,387.40
  6. Step 6: Final answer
    x = 4,162,367.70

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.