Home / 2,657,346.40-3,986,019.60-974,231.20

Finding the Fourth Proportional to 2,657,346.40, 3,986,019.60 and 974,231.20

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Solution

The fourth proportional to 2,657,346.40, 3,986,019.60 and 974,231.20 is: 1,461,346.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,346.40 : 3,986,019.60 = 974,231.20 : x
  2. Step 2: Convert to fraction form
    2,657,346.40/3,986,019.60 = 974,231.20/x
  3. Step 3: Cross multiply
    2,657,346.40x = 3,986,019.60 × 974,231.20
  4. Step 4: Simplify right side
    2,657,346.40x = 3,883,304,658,131.52
  5. Step 5: Solve for x
    x = 3,883,304,658,131.52/2,657,346.40
  6. Step 6: Final answer
    x = 1,461,346.80

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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.