Home / 2,767,456.40-3,818,925.08-1,605,812.72

Finding the Fourth Proportional to 2,767,456.40, 3,818,925.08 and 1,605,812.72

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Solution

The fourth proportional to 2,767,456.40, 3,818,925.08 and 1,605,812.72 is: 2,215,925.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767,456.40 : 3,818,925.08 = 1,605,812.72 : x
  2. Step 2: Convert to fraction form
    2,767,456.40/3,818,925.08 = 1,605,812.72/x
  3. Step 3: Cross multiply
    2,767,456.40x = 3,818,925.08 × 1,605,812.72
  4. Step 4: Simplify right side
    2,767,456.40x = 6,132,478,470,191.02
  5. Step 5: Solve for x
    x = 6,132,478,470,191.02/2,767,456.40
  6. Step 6: Final answer
    x = 2,215,925.96

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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.