Home / 5,728,948.01-7,905,838.63-3,150,628.78

Finding the Fourth Proportional to 5,728,948.01, 7,905,838.63 and 3,150,628.78

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Solution

The fourth proportional to 5,728,948.01, 7,905,838.63 and 3,150,628.78 is: 4,347,807.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,728,948.01 : 7,905,838.63 = 3,150,628.78 : x
  2. Step 2: Convert to fraction form
    5,728,948.01/7,905,838.63 = 3,150,628.78/x
  3. Step 3: Cross multiply
    5,728,948.01x = 7,905,838.63 × 3,150,628.78
  4. Step 4: Simplify right side
    5,728,948.01x = 24,908,362,717,713.77
  5. Step 5: Solve for x
    x = 24,908,362,717,713.77/5,728,948.01
  6. Step 6: Final answer
    x = 4,347,807.43

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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.