Home / 3,125,853.28-4,685,564.10-1,421,182.36

Finding the Fourth Proportional to 3,125,853.28, 4,685,564.10 and 1,421,182.36

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Solution

The fourth proportional to 3,125,853.28, 4,685,564.10 and 1,421,182.36 is: 2,130,311.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125,853.28 : 4,685,564.10 = 1,421,182.36 : x
  2. Step 2: Convert to fraction form
    3,125,853.28/4,685,564.10 = 1,421,182.36/x
  3. Step 3: Cross multiply
    3,125,853.28x = 4,685,564.10 × 1,421,182.36
  4. Step 4: Simplify right side
    3,125,853.28x = 6,659,041,045,569.28
  5. Step 5: Solve for x
    x = 6,659,041,045,569.28/3,125,853.28
  6. Step 6: Final answer
    x = 2,130,311.45

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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.