Home / 5,145,275.70-7,100,916.93-2,854,174.50

Finding the Fourth Proportional to 5,145,275.70, 7,100,916.93 and 2,854,174.50

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Solution

The fourth proportional to 5,145,275.70, 7,100,916.93 and 2,854,174.50 is: 3,939,002.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,145,275.70 : 7,100,916.93 = 2,854,174.50 : x
  2. Step 2: Convert to fraction form
    5,145,275.70/7,100,916.93 = 2,854,174.50/x
  3. Step 3: Cross multiply
    5,145,275.70x = 7,100,916.93 × 2,854,174.50
  4. Step 4: Simplify right side
    5,145,275.70x = 20,267,256,028,224.29
  5. Step 5: Solve for x
    x = 20,267,256,028,224.29/5,145,275.70
  6. Step 6: Final answer
    x = 3,939,002.92

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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.