Home / 2,688,155.10-4,032,232.65-1,005,039.90

Finding the Fourth Proportional to 2,688,155.10, 4,032,232.65 and 1,005,039.90

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Solution

The fourth proportional to 2,688,155.10, 4,032,232.65 and 1,005,039.90 is: 1,507,559.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,155.10 : 4,032,232.65 = 1,005,039.90 : x
  2. Step 2: Convert to fraction form
    2,688,155.10/4,032,232.65 = 1,005,039.90/x
  3. Step 3: Cross multiply
    2,688,155.10x = 4,032,232.65 × 1,005,039.90
  4. Step 4: Simplify right side
    2,688,155.10x = 4,052,554,699,332.74
  5. Step 5: Solve for x
    x = 4,052,554,699,332.74/2,688,155.10
  6. Step 6: Final answer
    x = 1,507,559.85

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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.