Home / 1,591,319.34-2,196,068.10-979,824.96

Finding the Fourth Proportional to 1,591,319.34, 2,196,068.10 and 979,824.96

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Solution

The fourth proportional to 1,591,319.34, 2,196,068.10 and 979,824.96 is: 1,352,187.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,319.34 : 2,196,068.10 = 979,824.96 : x
  2. Step 2: Convert to fraction form
    1,591,319.34/2,196,068.10 = 979,824.96/x
  3. Step 3: Cross multiply
    1,591,319.34x = 2,196,068.10 × 979,824.96
  4. Step 4: Simplify right side
    1,591,319.34x = 2,151,762,338,239.78
  5. Step 5: Solve for x
    x = 2,151,762,338,239.78/1,591,319.34
  6. Step 6: Final answer
    x = 1,352,187.64

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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.