Home / 2,316,397.40-3,473,367.30-820,538.20

Finding the Fourth Proportional to 2,316,397.40, 3,473,367.30 and 820,538.20

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Solution

The fourth proportional to 2,316,397.40, 3,473,367.30 and 820,538.20 is: 1,230,372.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316,397.40 : 3,473,367.30 = 820,538.20 : x
  2. Step 2: Convert to fraction form
    2,316,397.40/3,473,367.30 = 820,538.20/x
  3. Step 3: Cross multiply
    2,316,397.40x = 3,473,367.30 × 820,538.20
  4. Step 4: Simplify right side
    2,316,397.40x = 2,850,030,552,280.86
  5. Step 5: Solve for x
    x = 2,850,030,552,280.86/2,316,397.40
  6. Step 6: Final answer
    x = 1,230,372.02

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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.