Home / 1,699,269.30-2,551,856.40-1,646,125.20

Finding the Fourth Proportional to 1,699,269.30, 2,551,856.40 and 1,646,125.20

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Solution

The fourth proportional to 1,699,269.30, 2,551,856.40 and 1,646,125.20 is: 2,472,047.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699,269.30 : 2,551,856.40 = 1,646,125.20 : x
  2. Step 2: Convert to fraction form
    1,699,269.30/2,551,856.40 = 1,646,125.20/x
  3. Step 3: Cross multiply
    1,699,269.30x = 2,551,856.40 × 1,646,125.20
  4. Step 4: Simplify right side
    1,699,269.30x = 4,200,675,126,821.28
  5. Step 5: Solve for x
    x = 4,200,675,126,821.28/1,699,269.30
  6. Step 6: Final answer
    x = 2,472,047.91

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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.