Home / 5,452,318.40-8,178,866.40-1,665,795.20

Finding the Fourth Proportional to 5,452,318.40, 8,178,866.40 and 1,665,795.20

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Solution

The fourth proportional to 5,452,318.40, 8,178,866.40 and 1,665,795.20 is: 2,498,811.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,452,318.40 : 8,178,866.40 = 1,665,795.20 : x
  2. Step 2: Convert to fraction form
    5,452,318.40/8,178,866.40 = 1,665,795.20/x
  3. Step 3: Cross multiply
    5,452,318.40x = 8,178,866.40 × 1,665,795.20
  4. Step 4: Simplify right side
    5,452,318.40x = 13,624,316,390,561.28
  5. Step 5: Solve for x
    x = 13,624,316,390,561.28/5,452,318.40
  6. Step 6: Final answer
    x = 2,498,811.59

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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.