Home / 6,501,810.40-8,972,399.52-3,561,603.94

Finding the Fourth Proportional to 6,501,810.40, 8,972,399.52 and 3,561,603.94

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Solution

The fourth proportional to 6,501,810.40, 8,972,399.52 and 3,561,603.94 is: 4,914,959.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,501,810.40 : 8,972,399.52 = 3,561,603.94 : x
  2. Step 2: Convert to fraction form
    6,501,810.40/8,972,399.52 = 3,561,603.94/x
  3. Step 3: Cross multiply
    6,501,810.40x = 8,972,399.52 × 3,561,603.94
  4. Step 4: Simplify right side
    6,501,810.40x = 31,956,133,481,686.11
  5. Step 5: Solve for x
    x = 31,956,133,481,686.11/6,501,810.40
  6. Step 6: Final answer
    x = 4,914,959.30

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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.