Home / 2,486,981.40-3,732,440.40-971,390.40

Finding the Fourth Proportional to 2,486,981.40, 3,732,440.40 and 971,390.40

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Solution

The fourth proportional to 2,486,981.40, 3,732,440.40 and 971,390.40 is: 1,457,854.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486,981.40 : 3,732,440.40 = 971,390.40 : x
  2. Step 2: Convert to fraction form
    2,486,981.40/3,732,440.40 = 971,390.40/x
  3. Step 3: Cross multiply
    2,486,981.40x = 3,732,440.40 × 971,390.40
  4. Step 4: Simplify right side
    2,486,981.40x = 3,625,656,773,132.16
  5. Step 5: Solve for x
    x = 3,625,656,773,132.16/2,486,981.40
  6. Step 6: Final answer
    x = 1,457,854.40

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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.