Home / 5,078,758.59-7,008,683.09-2,903,349.69

Finding the Fourth Proportional to 5,078,758.59, 7,008,683.09 and 2,903,349.69

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Solution

The fourth proportional to 5,078,758.59, 7,008,683.09 and 2,903,349.69 is: 4,006,620.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078,758.59 : 7,008,683.09 = 2,903,349.69 : x
  2. Step 2: Convert to fraction form
    5,078,758.59/7,008,683.09 = 2,903,349.69/x
  3. Step 3: Cross multiply
    5,078,758.59x = 7,008,683.09 × 2,903,349.69
  4. Step 4: Simplify right side
    5,078,758.59x = 20,348,657,862,142.99
  5. Step 5: Solve for x
    x = 20,348,657,862,142.99/5,078,758.59
  6. Step 6: Final answer
    x = 4,006,620.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.