Home / 2,130,641.88-2,941,346.28-1,315,294.98

Finding the Fourth Proportional to 2,130,641.88, 2,941,346.28 and 1,315,294.98

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Solution

The fourth proportional to 2,130,641.88, 2,941,346.28 and 1,315,294.98 is: 1,815,761.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,641.88 : 2,941,346.28 = 1,315,294.98 : x
  2. Step 2: Convert to fraction form
    2,130,641.88/2,941,346.28 = 1,315,294.98/x
  3. Step 3: Cross multiply
    2,130,641.88x = 2,941,346.28 × 1,315,294.98
  4. Step 4: Simplify right side
    2,130,641.88x = 3,868,737,996,525.67
  5. Step 5: Solve for x
    x = 3,868,737,996,525.67/2,130,641.88
  6. Step 6: Final answer
    x = 1,815,761.73

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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.