Home / 3,270,853.52-4,905,935.16-874,940

Finding the Fourth Proportional to 3,270,853.52, 4,905,935.16 and 874,940

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Solution

The fourth proportional to 3,270,853.52, 4,905,935.16 and 874,940 is: 1,312,317.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270,853.52 : 4,905,935.16 = 874,940 : x
  2. Step 2: Convert to fraction form
    3,270,853.52/4,905,935.16 = 874,940/x
  3. Step 3: Cross multiply
    3,270,853.52x = 4,905,935.16 × 874,940
  4. Step 4: Simplify right side
    3,270,853.52x = 4,292,398,908,890.40
  5. Step 5: Solve for x
    x = 4,292,398,908,890.40/3,270,853.52
  6. Step 6: Final answer
    x = 1,312,317.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.