Home / 2,119,378.61-2,924,819.27-1,214,135.57

Finding the Fourth Proportional to 2,119,378.61, 2,924,819.27 and 1,214,135.57

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Solution

The fourth proportional to 2,119,378.61, 2,924,819.27 and 1,214,135.57 is: 1,675,551.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,378.61 : 2,924,819.27 = 1,214,135.57 : x
  2. Step 2: Convert to fraction form
    2,119,378.61/2,924,819.27 = 1,214,135.57/x
  3. Step 3: Cross multiply
    2,119,378.61x = 2,924,819.27 × 1,214,135.57
  4. Step 4: Simplify right side
    2,119,378.61x = 3,551,127,090,833.66
  5. Step 5: Solve for x
    x = 3,551,127,090,833.66/2,119,378.61
  6. Step 6: Final answer
    x = 1,675,551.07

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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.