Home / 2,158,127-3,235,515.24-1,398,363.20

Finding the Fourth Proportional to 2,158,127, 3,235,515.24 and 1,398,363.20

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Solution

The fourth proportional to 2,158,127, 3,235,515.24 and 1,398,363.20 is: 2,096,459.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,127 : 3,235,515.24 = 1,398,363.20 : x
  2. Step 2: Convert to fraction form
    2,158,127/3,235,515.24 = 1,398,363.20/x
  3. Step 3: Cross multiply
    2,158,127x = 3,235,515.24 × 1,398,363.20
  4. Step 4: Simplify right side
    2,158,127x = 4,524,425,444,655.17
  5. Step 5: Solve for x
    x = 4,524,425,444,655.17/2,158,127
  6. Step 6: Final answer
    x = 2,096,459.31

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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.