Home / 2,697,885.72-3,721,319.28-1,729,482.12

Finding the Fourth Proportional to 2,697,885.72, 3,721,319.28 and 1,729,482.12

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Solution

The fourth proportional to 2,697,885.72, 3,721,319.28 and 1,729,482.12 is: 2,385,555.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,697,885.72 : 3,721,319.28 = 1,729,482.12 : x
  2. Step 2: Convert to fraction form
    2,697,885.72/3,721,319.28 = 1,729,482.12/x
  3. Step 3: Cross multiply
    2,697,885.72x = 3,721,319.28 × 1,729,482.12
  4. Step 4: Simplify right side
    2,697,885.72x = 6,435,955,157,571.27
  5. Step 5: Solve for x
    x = 6,435,955,157,571.27/2,697,885.72
  6. Step 6: Final answer
    x = 2,385,555.14

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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.