Home / 2,740,148.39-4,111,135.41-918,693.57

Finding the Fourth Proportional to 2,740,148.39, 4,111,135.41 and 918,693.57

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Solution

The fourth proportional to 2,740,148.39, 4,111,135.41 and 918,693.57 is: 1,378,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740,148.39 : 4,111,135.41 = 918,693.57 : x
  2. Step 2: Convert to fraction form
    2,740,148.39/4,111,135.41 = 918,693.57/x
  3. Step 3: Cross multiply
    2,740,148.39x = 4,111,135.41 × 918,693.57
  4. Step 4: Simplify right side
    2,740,148.39x = 3,776,873,662,916.67
  5. Step 5: Solve for x
    x = 3,776,873,662,916.67/2,740,148.39
  6. Step 6: Final answer
    x = 1,378,346.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.