Home / 2,087,007.20-3,130,510.80-1,024,125.20

Finding the Fourth Proportional to 2,087,007.20, 3,130,510.80 and 1,024,125.20

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Solution

The fourth proportional to 2,087,007.20, 3,130,510.80 and 1,024,125.20 is: 1,536,187.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,007.20 : 3,130,510.80 = 1,024,125.20 : x
  2. Step 2: Convert to fraction form
    2,087,007.20/3,130,510.80 = 1,024,125.20/x
  3. Step 3: Cross multiply
    2,087,007.20x = 3,130,510.80 × 1,024,125.20
  4. Step 4: Simplify right side
    2,087,007.20x = 3,206,034,999,152.16
  5. Step 5: Solve for x
    x = 3,206,034,999,152.16/2,087,007.20
  6. Step 6: Final answer
    x = 1,536,187.80

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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.