Home / 2,038,437.70-2,812,972.30-1,120,660.20

Finding the Fourth Proportional to 2,038,437.70, 2,812,972.30 and 1,120,660.20

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Solution

The fourth proportional to 2,038,437.70, 2,812,972.30 and 1,120,660.20 is: 1,546,471.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038,437.70 : 2,812,972.30 = 1,120,660.20 : x
  2. Step 2: Convert to fraction form
    2,038,437.70/2,812,972.30 = 1,120,660.20/x
  3. Step 3: Cross multiply
    2,038,437.70x = 2,812,972.30 × 1,120,660.20
  4. Step 4: Simplify right side
    2,038,437.70x = 3,152,386,100,312.46
  5. Step 5: Solve for x
    x = 3,152,386,100,312.46/2,038,437.70
  6. Step 6: Final answer
    x = 1,546,471.64

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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.