Home / 2,219,888.27-3,328,484.02-870,434.12

Finding the Fourth Proportional to 2,219,888.27, 3,328,484.02 and 870,434.12

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Solution

The fourth proportional to 2,219,888.27, 3,328,484.02 and 870,434.12 is: 1,305,122.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219,888.27 : 3,328,484.02 = 870,434.12 : x
  2. Step 2: Convert to fraction form
    2,219,888.27/3,328,484.02 = 870,434.12/x
  3. Step 3: Cross multiply
    2,219,888.27x = 3,328,484.02 × 870,434.12
  4. Step 4: Simplify right side
    2,219,888.27x = 2,897,226,065,027.89
  5. Step 5: Solve for x
    x = 2,897,226,065,027.89/2,219,888.27
  6. Step 6: Final answer
    x = 1,305,122.47

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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.