Home / 2,971,281.30-4,455,279.63-921,373.39

Finding the Fourth Proportional to 2,971,281.30, 4,455,279.63 and 921,373.39

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Solution

The fourth proportional to 2,971,281.30, 4,455,279.63 and 921,373.39 is: 1,381,550.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971,281.30 : 4,455,279.63 = 921,373.39 : x
  2. Step 2: Convert to fraction form
    2,971,281.30/4,455,279.63 = 921,373.39/x
  3. Step 3: Cross multiply
    2,971,281.30x = 4,455,279.63 × 921,373.39
  4. Step 4: Simplify right side
    2,971,281.30x = 4,104,976,098,394.48
  5. Step 5: Solve for x
    x = 4,104,976,098,394.48/2,971,281.30
  6. Step 6: Final answer
    x = 1,381,550.82

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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.