Home / 3,877,399.80-5,816,358.90-1,318,577.40

Finding the Fourth Proportional to 3,877,399.80, 5,816,358.90 and 1,318,577.40

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Solution

The fourth proportional to 3,877,399.80, 5,816,358.90 and 1,318,577.40 is: 1,977,954.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877,399.80 : 5,816,358.90 = 1,318,577.40 : x
  2. Step 2: Convert to fraction form
    3,877,399.80/5,816,358.90 = 1,318,577.40/x
  3. Step 3: Cross multiply
    3,877,399.80x = 5,816,358.90 × 1,318,577.40
  4. Step 4: Simplify right side
    3,877,399.80x = 7,669,319,395,828.86
  5. Step 5: Solve for x
    x = 7,669,319,395,828.86/3,877,399.80
  6. Step 6: Final answer
    x = 1,977,954.25

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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.