Home / 2,115,088.20-2,918,823.66-1,148,217.93

Finding the Fourth Proportional to 2,115,088.20, 2,918,823.66 and 1,148,217.93

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Solution

The fourth proportional to 2,115,088.20, 2,918,823.66 and 1,148,217.93 is: 1,584,541.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,088.20 : 2,918,823.66 = 1,148,217.93 : x
  2. Step 2: Convert to fraction form
    2,115,088.20/2,918,823.66 = 1,148,217.93/x
  3. Step 3: Cross multiply
    2,115,088.20x = 2,918,823.66 × 1,148,217.93
  4. Step 4: Simplify right side
    2,115,088.20x = 3,351,445,660,920.22
  5. Step 5: Solve for x
    x = 3,351,445,660,920.22/2,115,088.20
  6. Step 6: Final answer
    x = 1,584,541.80

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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.