Home / 1,898,155.38-2,619,454.66-1,038,715.82

Finding the Fourth Proportional to 1,898,155.38, 2,619,454.66 and 1,038,715.82

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Solution

The fourth proportional to 1,898,155.38, 2,619,454.66 and 1,038,715.82 is: 1,433,427.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,155.38 : 2,619,454.66 = 1,038,715.82 : x
  2. Step 2: Convert to fraction form
    1,898,155.38/2,619,454.66 = 1,038,715.82/x
  3. Step 3: Cross multiply
    1,898,155.38x = 2,619,454.66 × 1,038,715.82
  4. Step 4: Simplify right side
    1,898,155.38x = 2,720,868,995,114.72
  5. Step 5: Solve for x
    x = 2,720,868,995,114.72/1,898,155.38
  6. Step 6: Final answer
    x = 1,433,427.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.