Home / 2,155,686.38-3,232,227.13-859,038.21

Finding the Fourth Proportional to 2,155,686.38, 3,232,227.13 and 859,038.21

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Solution

The fourth proportional to 2,155,686.38, 3,232,227.13 and 859,038.21 is: 1,288,038.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,686.38 : 3,232,227.13 = 859,038.21 : x
  2. Step 2: Convert to fraction form
    2,155,686.38/3,232,227.13 = 859,038.21/x
  3. Step 3: Cross multiply
    2,155,686.38x = 3,232,227.13 × 859,038.21
  4. Step 4: Simplify right side
    2,155,686.38x = 2,776,606,603,773.45
  5. Step 5: Solve for x
    x = 2,776,606,603,773.45/2,155,686.38
  6. Step 6: Final answer
    x = 1,288,038.30

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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.