Home / 2,312,740.42-3,191,543.16-1,280,226.37

Finding the Fourth Proportional to 2,312,740.42, 3,191,543.16 and 1,280,226.37

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Solution

The fourth proportional to 2,312,740.42, 3,191,543.16 and 1,280,226.37 is: 1,766,691.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312,740.42 : 3,191,543.16 = 1,280,226.37 : x
  2. Step 2: Convert to fraction form
    2,312,740.42/3,191,543.16 = 1,280,226.37/x
  3. Step 3: Cross multiply
    2,312,740.42x = 3,191,543.16 × 1,280,226.37
  4. Step 4: Simplify right side
    2,312,740.42x = 4,085,897,714,425.13
  5. Step 5: Solve for x
    x = 4,085,897,714,425.13/2,312,740.42
  6. Step 6: Final answer
    x = 1,766,691.01

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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.