Home / 2,978,652.16-4,434,287-2,960,937.28

Finding the Fourth Proportional to 2,978,652.16, 4,434,287 and 2,960,937.28

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Solution

The fourth proportional to 2,978,652.16, 4,434,287 and 2,960,937.28 is: 4,407,915.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,978,652.16 : 4,434,287 = 2,960,937.28 : x
  2. Step 2: Convert to fraction form
    2,978,652.16/4,434,287 = 2,960,937.28/x
  3. Step 3: Cross multiply
    2,978,652.16x = 4,434,287 × 2,960,937.28
  4. Step 4: Simplify right side
    2,978,652.16x = 13,129,645,688,519.36
  5. Step 5: Solve for x
    x = 13,129,645,688,519.36/2,978,652.16
  6. Step 6: Final answer
    x = 4,407,915.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.