Home / 1,680,510.70-2,521,750.20-615,660.40

Finding the Fourth Proportional to 1,680,510.70, 2,521,750.20 and 615,660.40

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Solution

The fourth proportional to 1,680,510.70, 2,521,750.20 and 615,660.40 is: 923,851.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,510.70 : 2,521,750.20 = 615,660.40 : x
  2. Step 2: Convert to fraction form
    1,680,510.70/2,521,750.20 = 615,660.40/x
  3. Step 3: Cross multiply
    1,680,510.70x = 2,521,750.20 × 615,660.40
  4. Step 4: Simplify right side
    1,680,510.70x = 1,552,541,736,832.08
  5. Step 5: Solve for x
    x = 1,552,541,736,832.08/1,680,510.70
  6. Step 6: Final answer
    x = 923,851.15

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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.