Home / 3,270,643.20-4,905,964.80-874,857.60

Finding the Fourth Proportional to 3,270,643.20, 4,905,964.80 and 874,857.60

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Solution

The fourth proportional to 3,270,643.20, 4,905,964.80 and 874,857.60 is: 1,312,286.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270,643.20 : 4,905,964.80 = 874,857.60 : x
  2. Step 2: Convert to fraction form
    3,270,643.20/4,905,964.80 = 874,857.60/x
  3. Step 3: Cross multiply
    3,270,643.20x = 4,905,964.80 × 874,857.60
  4. Step 4: Simplify right side
    3,270,643.20x = 4,292,020,590,612.48
  5. Step 5: Solve for x
    x = 4,292,020,590,612.48/3,270,643.20
  6. Step 6: Final answer
    x = 1,312,286.40

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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.