Home / 2,485,931.40-3,730,865.40-970,340.40

Finding the Fourth Proportional to 2,485,931.40, 3,730,865.40 and 970,340.40

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Solution

The fourth proportional to 2,485,931.40, 3,730,865.40 and 970,340.40 is: 1,456,278.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485,931.40 : 3,730,865.40 = 970,340.40 : x
  2. Step 2: Convert to fraction form
    2,485,931.40/3,730,865.40 = 970,340.40/x
  3. Step 3: Cross multiply
    2,485,931.40x = 3,730,865.40 × 970,340.40
  4. Step 4: Simplify right side
    2,485,931.40x = 3,620,209,424,582.16
  5. Step 5: Solve for x
    x = 3,620,209,424,582.16/2,485,931.40
  6. Step 6: Final answer
    x = 1,456,278.89

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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.