Home / 3,557,018.71-4,908,688.76-1,925,421.03

Finding the Fourth Proportional to 3,557,018.71, 4,908,688.76 and 1,925,421.03

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Solution

The fourth proportional to 3,557,018.71, 4,908,688.76 and 1,925,421.03 is: 2,657,082.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557,018.71 : 4,908,688.76 = 1,925,421.03 : x
  2. Step 2: Convert to fraction form
    3,557,018.71/4,908,688.76 = 1,925,421.03/x
  3. Step 3: Cross multiply
    3,557,018.71x = 4,908,688.76 × 1,925,421.03
  4. Step 4: Simplify right side
    3,557,018.71x = 9,451,292,568,228.62
  5. Step 5: Solve for x
    x = 9,451,292,568,228.62/3,557,018.71
  6. Step 6: Final answer
    x = 2,657,082.61

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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.