Home / 5,174,258.96-7,140,854.76-2,999,363.60

Finding the Fourth Proportional to 5,174,258.96, 7,140,854.76 and 2,999,363.60

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Solution

The fourth proportional to 5,174,258.96, 7,140,854.76 and 2,999,363.60 is: 4,139,340.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174,258.96 : 7,140,854.76 = 2,999,363.60 : x
  2. Step 2: Convert to fraction form
    5,174,258.96/7,140,854.76 = 2,999,363.60/x
  3. Step 3: Cross multiply
    5,174,258.96x = 7,140,854.76 × 2,999,363.60
  4. Step 4: Simplify right side
    5,174,258.96x = 21,418,019,840,030.73
  5. Step 5: Solve for x
    x = 21,418,019,840,030.73/5,174,258.96
  6. Step 6: Final answer
    x = 4,139,340.53

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1.5x scale

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.