Home / 1,808,221.64-2,712,332.43-1,409,160.96

Finding the Fourth Proportional to 1,808,221.64, 2,712,332.43 and 1,409,160.96

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Solution

The fourth proportional to 1,808,221.64, 2,712,332.43 and 1,409,160.96 is: 2,113,741.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808,221.64 : 2,712,332.43 = 1,409,160.96 : x
  2. Step 2: Convert to fraction form
    1,808,221.64/2,712,332.43 = 1,409,160.96/x
  3. Step 3: Cross multiply
    1,808,221.64x = 2,712,332.43 × 1,409,160.96
  4. Step 4: Simplify right side
    1,808,221.64x = 3,822,112,970,897.93
  5. Step 5: Solve for x
    x = 3,822,112,970,897.93/1,808,221.64
  6. Step 6: Final answer
    x = 2,113,741.42

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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.