Home / 2,688,086.60-4,032,129.90-2,669,424.20

Finding the Fourth Proportional to 2,688,086.60, 4,032,129.90 and 2,669,424.20

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Solution

The fourth proportional to 2,688,086.60, 4,032,129.90 and 2,669,424.20 is: 4,004,136.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,086.60 : 4,032,129.90 = 2,669,424.20 : x
  2. Step 2: Convert to fraction form
    2,688,086.60/4,032,129.90 = 2,669,424.20/x
  3. Step 3: Cross multiply
    2,688,086.60x = 4,032,129.90 × 2,669,424.20
  4. Step 4: Simplify right side
    2,688,086.60x = 10,763,465,132,603.58
  5. Step 5: Solve for x
    x = 10,763,465,132,603.58/2,688,086.60
  6. Step 6: Final answer
    x = 4,004,136.30

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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.