Home / 2,688,115.32-4,032,369.90-1,069,516.62

Finding the Fourth Proportional to 2,688,115.32, 4,032,369.90 and 1,069,516.62

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Solution

The fourth proportional to 2,688,115.32, 4,032,369.90 and 1,069,516.62 is: 1,604,353.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,115.32 : 4,032,369.90 = 1,069,516.62 : x
  2. Step 2: Convert to fraction form
    2,688,115.32/4,032,369.90 = 1,069,516.62/x
  3. Step 3: Cross multiply
    2,688,115.32x = 4,032,369.90 × 1,069,516.62
  4. Step 4: Simplify right side
    2,688,115.32x = 4,312,686,626,037.74
  5. Step 5: Solve for x
    x = 4,312,686,626,037.74/2,688,115.32
  6. Step 6: Final answer
    x = 1,604,353.28

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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.