Home / 2,688,001.20-3,709,440-1,480,777.20

Finding the Fourth Proportional to 2,688,001.20, 3,709,440 and 1,480,777.20

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Solution

The fourth proportional to 2,688,001.20, 3,709,440 and 1,480,777.20 is: 2,043,471.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,001.20 : 3,709,440 = 1,480,777.20 : x
  2. Step 2: Convert to fraction form
    2,688,001.20/3,709,440 = 1,480,777.20/x
  3. Step 3: Cross multiply
    2,688,001.20x = 3,709,440 × 1,480,777.20
  4. Step 4: Simplify right side
    2,688,001.20x = 5,492,854,176,768
  5. Step 5: Solve for x
    x = 5,492,854,176,768/2,688,001.20
  6. Step 6: Final answer
    x = 2,043,471.62

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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.