Home / 5,209,866.60-7,814,090.52-1,371,367.71

Finding the Fourth Proportional to 5,209,866.60, 7,814,090.52 and 1,371,367.71

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Solution

The fourth proportional to 5,209,866.60, 7,814,090.52 and 1,371,367.71 is: 2,056,864.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209,866.60 : 7,814,090.52 = 1,371,367.71 : x
  2. Step 2: Convert to fraction form
    5,209,866.60/7,814,090.52 = 1,371,367.71/x
  3. Step 3: Cross multiply
    5,209,866.60x = 7,814,090.52 × 1,371,367.71
  4. Step 4: Simplify right side
    5,209,866.60x = 10,715,991,422,145.11
  5. Step 5: Solve for x
    x = 10,715,991,422,145.11/5,209,866.60
  6. Step 6: Final answer
    x = 2,056,864.84

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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.