Home / 5,139,261-7,709,863.81-2,065,490.60

Finding the Fourth Proportional to 5,139,261, 7,709,863.81 and 2,065,490.60

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Solution

The fourth proportional to 5,139,261, 7,709,863.81 and 2,065,490.60 is: 3,098,626.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,139,261 : 7,709,863.81 = 2,065,490.60 : x
  2. Step 2: Convert to fraction form
    5,139,261/7,709,863.81 = 2,065,490.60/x
  3. Step 3: Cross multiply
    5,139,261x = 7,709,863.81 × 2,065,490.60
  4. Step 4: Simplify right side
    5,139,261x = 15,924,651,226,835.19
  5. Step 5: Solve for x
    x = 15,924,651,226,835.19/5,139,261
  6. Step 6: Final answer
    x = 3,098,626.68

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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.