Home / 3,142,808.32-4,337,104.08-1,902,447.16

Finding the Fourth Proportional to 3,142,808.32, 4,337,104.08 and 1,902,447.16

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Solution

The fourth proportional to 3,142,808.32, 4,337,104.08 and 1,902,447.16 is: 2,625,394.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142,808.32 : 4,337,104.08 = 1,902,447.16 : x
  2. Step 2: Convert to fraction form
    3,142,808.32/4,337,104.08 = 1,902,447.16/x
  3. Step 3: Cross multiply
    3,142,808.32x = 4,337,104.08 × 1,902,447.16
  4. Step 4: Simplify right side
    3,142,808.32x = 8,251,111,339,620.41
  5. Step 5: Solve for x
    x = 8,251,111,339,620.41/3,142,808.32
  6. Step 6: Final answer
    x = 2,625,394.39

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1.5x scale

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.