Home / 5,428,056.67-7,490,738.65-2,947,281.06

Finding the Fourth Proportional to 5,428,056.67, 7,490,738.65 and 2,947,281.06

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Solution

The fourth proportional to 5,428,056.67, 7,490,738.65 and 2,947,281.06 is: 4,067,258.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428,056.67 : 7,490,738.65 = 2,947,281.06 : x
  2. Step 2: Convert to fraction form
    5,428,056.67/7,490,738.65 = 2,947,281.06/x
  3. Step 3: Cross multiply
    5,428,056.67x = 7,490,738.65 × 2,947,281.06
  4. Step 4: Simplify right side
    5,428,056.67x = 22,077,312,145,445.21
  5. Step 5: Solve for x
    x = 22,077,312,145,445.21/5,428,056.67
  6. Step 6: Final answer
    x = 4,067,258.96

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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.