Home / 2,768,901.30-4,155,209.55-971,781.30

Finding the Fourth Proportional to 2,768,901.30, 4,155,209.55 and 971,781.30

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Solution

The fourth proportional to 2,768,901.30, 4,155,209.55 and 971,781.30 is: 1,458,323.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,901.30 : 4,155,209.55 = 971,781.30 : x
  2. Step 2: Convert to fraction form
    2,768,901.30/4,155,209.55 = 971,781.30/x
  3. Step 3: Cross multiply
    2,768,901.30x = 4,155,209.55 × 971,781.30
  4. Step 4: Simplify right side
    2,768,901.30x = 4,037,954,938,271.42
  5. Step 5: Solve for x
    x = 4,037,954,938,271.42/2,768,901.30
  6. Step 6: Final answer
    x = 1,458,323.90

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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.