Home / 2,692,130.20-4,032,752.10-1,678,139.80

Finding the Fourth Proportional to 2,692,130.20, 4,032,752.10 and 1,678,139.80

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Solution

The fourth proportional to 2,692,130.20, 4,032,752.10 and 1,678,139.80 is: 2,513,816.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692,130.20 : 4,032,752.10 = 1,678,139.80 : x
  2. Step 2: Convert to fraction form
    2,692,130.20/4,032,752.10 = 1,678,139.80/x
  3. Step 3: Cross multiply
    2,692,130.20x = 4,032,752.10 × 1,678,139.80
  4. Step 4: Simplify right side
    2,692,130.20x = 6,767,521,802,543.58
  5. Step 5: Solve for x
    x = 6,767,521,802,543.58/2,692,130.20
  6. Step 6: Final answer
    x = 2,513,816.68

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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.