Home / 2,208,001.20-3,312,001.80-2,077,364.40

Finding the Fourth Proportional to 2,208,001.20, 3,312,001.80 and 2,077,364.40

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Solution

The fourth proportional to 2,208,001.20, 3,312,001.80 and 2,077,364.40 is: 3,116,046.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208,001.20 : 3,312,001.80 = 2,077,364.40 : x
  2. Step 2: Convert to fraction form
    2,208,001.20/3,312,001.80 = 2,077,364.40/x
  3. Step 3: Cross multiply
    2,208,001.20x = 3,312,001.80 × 2,077,364.40
  4. Step 4: Simplify right side
    2,208,001.20x = 6,880,234,632,055.92
  5. Step 5: Solve for x
    x = 6,880,234,632,055.92/2,208,001.20
  6. Step 6: Final answer
    x = 3,116,046.60

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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.