Home / 5,112,472.85-7,054,345.47-3,047,451.40

Finding the Fourth Proportional to 5,112,472.85, 7,054,345.47 and 3,047,451.40

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Solution

The fourth proportional to 5,112,472.85, 7,054,345.47 and 3,047,451.40 is: 4,204,966.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112,472.85 : 7,054,345.47 = 3,047,451.40 : x
  2. Step 2: Convert to fraction form
    5,112,472.85/7,054,345.47 = 3,047,451.40/x
  3. Step 3: Cross multiply
    5,112,472.85x = 7,054,345.47 × 3,047,451.40
  4. Step 4: Simplify right side
    5,112,472.85x = 21,497,774,978,635.16
  5. Step 5: Solve for x
    x = 21,497,774,978,635.16/5,112,472.85
  6. Step 6: Final answer
    x = 4,204,966.09

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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.