Home / 2,371,538.95-3,557,406.84-688,642.45

Finding the Fourth Proportional to 2,371,538.95, 3,557,406.84 and 688,642.45

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Solution

The fourth proportional to 2,371,538.95, 3,557,406.84 and 688,642.45 is: 1,032,992.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,371,538.95 : 3,557,406.84 = 688,642.45 : x
  2. Step 2: Convert to fraction form
    2,371,538.95/3,557,406.84 = 688,642.45/x
  3. Step 3: Cross multiply
    2,371,538.95x = 3,557,406.84 × 688,642.45
  4. Step 4: Simplify right side
    2,371,538.95x = 2,449,781,361,944.36
  5. Step 5: Solve for x
    x = 2,449,781,361,944.36/2,371,538.95
  6. Step 6: Final answer
    x = 1,032,992.25

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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.