Home / 2,475,146.12-3,712,722.11-678,045.07

Finding the Fourth Proportional to 2,475,146.12, 3,712,722.11 and 678,045.07

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Solution

The fourth proportional to 2,475,146.12, 3,712,722.11 and 678,045.07 is: 1,017,068.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475,146.12 : 3,712,722.11 = 678,045.07 : x
  2. Step 2: Convert to fraction form
    2,475,146.12/3,712,722.11 = 678,045.07/x
  3. Step 3: Cross multiply
    2,475,146.12x = 3,712,722.11 × 678,045.07
  4. Step 4: Simplify right side
    2,475,146.12x = 2,517,392,931,399.75
  5. Step 5: Solve for x
    x = 2,517,392,931,399.75/2,475,146.12
  6. Step 6: Final answer
    x = 1,017,068.41

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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.