Home / 5,155,143.36-7,113,307.02-2,979,266.34

Finding the Fourth Proportional to 5,155,143.36, 7,113,307.02 and 2,979,266.34

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Solution

The fourth proportional to 5,155,143.36, 7,113,307.02 and 2,979,266.34 is: 4,110,930.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155,143.36 : 7,113,307.02 = 2,979,266.34 : x
  2. Step 2: Convert to fraction form
    5,155,143.36/7,113,307.02 = 2,979,266.34/x
  3. Step 3: Cross multiply
    5,155,143.36x = 7,113,307.02 × 2,979,266.34
  4. Step 4: Simplify right side
    5,155,143.36x = 21,192,436,170,771.70
  5. Step 5: Solve for x
    x = 21,192,436,170,771.70/5,155,143.36
  6. Step 6: Final answer
    x = 4,110,930.52

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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.