Home / 6,897,670.58-9,518,788.01-3,998,741.92

Finding the Fourth Proportional to 6,897,670.58, 9,518,788.01 and 3,998,741.92

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Solution

The fourth proportional to 6,897,670.58, 9,518,788.01 and 3,998,741.92 is: 5,518,265.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897,670.58 : 9,518,788.01 = 3,998,741.92 : x
  2. Step 2: Convert to fraction form
    6,897,670.58/9,518,788.01 = 3,998,741.92/x
  3. Step 3: Cross multiply
    6,897,670.58x = 9,518,788.01 × 3,998,741.92
  4. Step 4: Simplify right side
    6,897,670.58x = 38,063,176,643,180.38
  5. Step 5: Solve for x
    x = 38,063,176,643,180.38/6,897,670.58
  6. Step 6: Final answer
    x = 5,518,265.36

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1.5x scale

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.