Home / 5,112,276.93-7,054,695.95-2,789,031.15

Finding the Fourth Proportional to 5,112,276.93, 7,054,695.95 and 2,789,031.15

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Solution

The fourth proportional to 5,112,276.93, 7,054,695.95 and 2,789,031.15 is: 3,848,728.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112,276.93 : 7,054,695.95 = 2,789,031.15 : x
  2. Step 2: Convert to fraction form
    5,112,276.93/7,054,695.95 = 2,789,031.15/x
  3. Step 3: Cross multiply
    5,112,276.93x = 7,054,695.95 × 2,789,031.15
  4. Step 4: Simplify right side
    5,112,276.93x = 19,675,766,744,383.69
  5. Step 5: Solve for x
    x = 19,675,766,744,383.69/5,112,276.93
  6. Step 6: Final answer
    x = 3,848,728.66

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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.