Home / 2,280,484.20-3,147,402.06-1,313,426.28

Finding the Fourth Proportional to 2,280,484.20, 3,147,402.06 and 1,313,426.28

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Solution

The fourth proportional to 2,280,484.20, 3,147,402.06 and 1,313,426.28 is: 1,812,720.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280,484.20 : 3,147,402.06 = 1,313,426.28 : x
  2. Step 2: Convert to fraction form
    2,280,484.20/3,147,402.06 = 1,313,426.28/x
  3. Step 3: Cross multiply
    2,280,484.20x = 3,147,402.06 × 1,313,426.28
  4. Step 4: Simplify right side
    2,280,484.20x = 4,133,880,579,330.14
  5. Step 5: Solve for x
    x = 4,133,880,579,330.14/2,280,484.20
  6. Step 6: Final answer
    x = 1,812,720.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.