Home / 3,036,987.60-4,555,481.40-1,920,008.40

Finding the Fourth Proportional to 3,036,987.60, 4,555,481.40 and 1,920,008.40

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Solution

The fourth proportional to 3,036,987.60, 4,555,481.40 and 1,920,008.40 is: 2,880,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036,987.60 : 4,555,481.40 = 1,920,008.40 : x
  2. Step 2: Convert to fraction form
    3,036,987.60/4,555,481.40 = 1,920,008.40/x
  3. Step 3: Cross multiply
    3,036,987.60x = 4,555,481.40 × 1,920,008.40
  4. Step 4: Simplify right side
    3,036,987.60x = 8,746,562,554,043.76
  5. Step 5: Solve for x
    x = 8,746,562,554,043.76/3,036,987.60
  6. Step 6: Final answer
    x = 2,880,012.60

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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.