Home / 5,228,560.16-7,215,256.85-2,905,445.51

Finding the Fourth Proportional to 5,228,560.16, 7,215,256.85 and 2,905,445.51

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Solution

The fourth proportional to 5,228,560.16, 7,215,256.85 and 2,905,445.51 is: 4,009,428.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228,560.16 : 7,215,256.85 = 2,905,445.51 : x
  2. Step 2: Convert to fraction form
    5,228,560.16/7,215,256.85 = 2,905,445.51/x
  3. Step 3: Cross multiply
    5,228,560.16x = 7,215,256.85 × 2,905,445.51
  4. Step 4: Simplify right side
    5,228,560.16x = 20,963,535,567,725.73
  5. Step 5: Solve for x
    x = 20,963,535,567,725.73/5,228,560.16
  6. Step 6: Final answer
    x = 4,009,428.02

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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.