Home / 1,551,986.39-2,141,709.49-971,529.66

Finding the Fourth Proportional to 1,551,986.39, 2,141,709.49 and 971,529.66

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Solution

The fourth proportional to 1,551,986.39, 2,141,709.49 and 971,529.66 is: 1,340,691.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,986.39 : 2,141,709.49 = 971,529.66 : x
  2. Step 2: Convert to fraction form
    1,551,986.39/2,141,709.49 = 971,529.66/x
  3. Step 3: Cross multiply
    1,551,986.39x = 2,141,709.49 × 971,529.66
  4. Step 4: Simplify right side
    1,551,986.39x = 2,080,734,292,638.47
  5. Step 5: Solve for x
    x = 2,080,734,292,638.47/1,551,986.39
  6. Step 6: Final answer
    x = 1,340,691.07

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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.