Home / 2,390,860.40-3,587,251.80-971,027.60

Finding the Fourth Proportional to 2,390,860.40, 3,587,251.80 and 971,027.60

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Solution

The fourth proportional to 2,390,860.40, 3,587,251.80 and 971,027.60 is: 1,456,931.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390,860.40 : 3,587,251.80 = 971,027.60 : x
  2. Step 2: Convert to fraction form
    2,390,860.40/3,587,251.80 = 971,027.60/x
  3. Step 3: Cross multiply
    2,390,860.40x = 3,587,251.80 × 971,027.60
  4. Step 4: Simplify right side
    2,390,860.40x = 3,483,320,505,949.68
  5. Step 5: Solve for x
    x = 3,483,320,505,949.68/2,390,860.40
  6. Step 6: Final answer
    x = 1,456,931.78

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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.