Home / 1,643,189.50-2,267,586.03-918,162.10

Finding the Fourth Proportional to 1,643,189.50, 2,267,586.03 and 918,162.10

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Solution

The fourth proportional to 1,643,189.50, 2,267,586.03 and 918,162.10 is: 1,267,055.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,189.50 : 2,267,586.03 = 918,162.10 : x
  2. Step 2: Convert to fraction form
    1,643,189.50/2,267,586.03 = 918,162.10/x
  3. Step 3: Cross multiply
    1,643,189.50x = 2,267,586.03 × 918,162.10
  4. Step 4: Simplify right side
    1,643,189.50x = 2,082,011,551,235.46
  5. Step 5: Solve for x
    x = 2,082,011,551,235.46/1,643,189.50
  6. Step 6: Final answer
    x = 1,267,055.05

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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.