Home / 2,371,128-3,272,156.64-1,298,040

Finding the Fourth Proportional to 2,371,128, 3,272,156.64 and 1,298,040

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Solution

The fourth proportional to 2,371,128, 3,272,156.64 and 1,298,040 is: 1,791,295.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,371,128 : 3,272,156.64 = 1,298,040 : x
  2. Step 2: Convert to fraction form
    2,371,128/3,272,156.64 = 1,298,040/x
  3. Step 3: Cross multiply
    2,371,128x = 3,272,156.64 × 1,298,040
  4. Step 4: Simplify right side
    2,371,128x = 4,247,390,204,985.60
  5. Step 5: Solve for x
    x = 4,247,390,204,985.60/2,371,128
  6. Step 6: Final answer
    x = 1,791,295.20

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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.