Home / 3,139,764.60-4,709,646.90-865,284.60

Finding the Fourth Proportional to 3,139,764.60, 4,709,646.90 and 865,284.60

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Solution

The fourth proportional to 3,139,764.60, 4,709,646.90 and 865,284.60 is: 1,297,926.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,764.60 : 4,709,646.90 = 865,284.60 : x
  2. Step 2: Convert to fraction form
    3,139,764.60/4,709,646.90 = 865,284.60/x
  3. Step 3: Cross multiply
    3,139,764.60x = 4,709,646.90 × 865,284.60
  4. Step 4: Simplify right side
    3,139,764.60x = 4,075,184,934,007.74
  5. Step 5: Solve for x
    x = 4,075,184,934,007.74/3,139,764.60
  6. Step 6: Final answer
    x = 1,297,926.90

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Similar ratio
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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.