Home / 3,816,900.80-5,725,347.52-977,008.40

Finding the Fourth Proportional to 3,816,900.80, 5,725,347.52 and 977,008.40

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Solution

The fourth proportional to 3,816,900.80, 5,725,347.52 and 977,008.40 is: 1,465,511.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816,900.80 : 5,725,347.52 = 977,008.40 : x
  2. Step 2: Convert to fraction form
    3,816,900.80/5,725,347.52 = 977,008.40/x
  3. Step 3: Cross multiply
    3,816,900.80x = 5,725,347.52 × 977,008.40
  4. Step 4: Simplify right side
    3,816,900.80x = 5,593,712,619,959.17
  5. Step 5: Solve for x
    x = 5,593,712,619,959.17/3,816,900.80
  6. Step 6: Final answer
    x = 1,465,511.66

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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.