Home / 5,228,562.16-7,215,259.60-2,905,447.50

Finding the Fourth Proportional to 5,228,562.16, 7,215,259.60 and 2,905,447.50

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Solution

The fourth proportional to 5,228,562.16, 7,215,259.60 and 2,905,447.50 is: 4,009,430.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228,562.16 : 7,215,259.60 = 2,905,447.50 : x
  2. Step 2: Convert to fraction form
    5,228,562.16/7,215,259.60 = 2,905,447.50/x
  3. Step 3: Cross multiply
    5,228,562.16x = 7,215,259.60 × 2,905,447.50
  4. Step 4: Simplify right side
    5,228,562.16x = 20,963,557,966,671
  5. Step 5: Solve for x
    x = 20,963,557,966,671/5,228,562.16
  6. Step 6: Final answer
    x = 4,009,430.76

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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.