Home / 3,111,630.80-4,666,870.20-867,304.40

Finding the Fourth Proportional to 3,111,630.80, 4,666,870.20 and 867,304.40

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Solution

The fourth proportional to 3,111,630.80, 4,666,870.20 and 867,304.40 is: 1,300,796.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,630.80 : 4,666,870.20 = 867,304.40 : x
  2. Step 2: Convert to fraction form
    3,111,630.80/4,666,870.20 = 867,304.40/x
  3. Step 3: Cross multiply
    3,111,630.80x = 4,666,870.20 × 867,304.40
  4. Step 4: Simplify right side
    3,111,630.80x = 4,047,597,058,688.88
  5. Step 5: Solve for x
    x = 4,047,597,058,688.88/3,111,630.80
  6. Step 6: Final answer
    x = 1,300,796.05

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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.