Home / 3,709,710.80-5,564,566.20-1,820,142.80

Finding the Fourth Proportional to 3,709,710.80, 5,564,566.20 and 1,820,142.80

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Solution

The fourth proportional to 3,709,710.80, 5,564,566.20 and 1,820,142.80 is: 2,730,214.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709,710.80 : 5,564,566.20 = 1,820,142.80 : x
  2. Step 2: Convert to fraction form
    3,709,710.80/5,564,566.20 = 1,820,142.80/x
  3. Step 3: Cross multiply
    3,709,710.80x = 5,564,566.20 × 1,820,142.80
  4. Step 4: Simplify right side
    3,709,710.80x = 10,128,305,104,053.36
  5. Step 5: Solve for x
    x = 10,128,305,104,053.36/3,709,710.80
  6. Step 6: Final answer
    x = 2,730,214.20

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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.