Home / 2,688,266.70-4,032,400.05-1,005,021.90

Finding the Fourth Proportional to 2,688,266.70, 4,032,400.05 and 1,005,021.90

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Solution

The fourth proportional to 2,688,266.70, 4,032,400.05 and 1,005,021.90 is: 1,507,532.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,266.70 : 4,032,400.05 = 1,005,021.90 : x
  2. Step 2: Convert to fraction form
    2,688,266.70/4,032,400.05 = 1,005,021.90/x
  3. Step 3: Cross multiply
    2,688,266.70x = 4,032,400.05 × 1,005,021.90
  4. Step 4: Simplify right side
    2,688,266.70x = 4,052,650,359,811.10
  5. Step 5: Solve for x
    x = 4,052,650,359,811.10/2,688,266.70
  6. Step 6: Final answer
    x = 1,507,532.85

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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.