Home / 2,176,118.72-3,002,166.95-1,315,184.30

Finding the Fourth Proportional to 2,176,118.72, 3,002,166.95 and 1,315,184.30

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Solution

The fourth proportional to 2,176,118.72, 3,002,166.95 and 1,315,184.30 is: 1,814,424.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176,118.72 : 3,002,166.95 = 1,315,184.30 : x
  2. Step 2: Convert to fraction form
    2,176,118.72/3,002,166.95 = 1,315,184.30/x
  3. Step 3: Cross multiply
    2,176,118.72x = 3,002,166.95 × 1,315,184.30
  4. Step 4: Simplify right side
    2,176,118.72x = 3,948,402,838,618.89
  5. Step 5: Solve for x
    x = 3,948,402,838,618.89/2,176,118.72
  6. Step 6: Final answer
    x = 1,814,424.37

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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.