Home / 3,843,302.40-5,303,664-2,124,378.72

Finding the Fourth Proportional to 3,843,302.40, 5,303,664 and 2,124,378.72

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Solution

The fourth proportional to 3,843,302.40, 5,303,664 and 2,124,378.72 is: 2,931,591.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,843,302.40 : 5,303,664 = 2,124,378.72 : x
  2. Step 2: Convert to fraction form
    3,843,302.40/5,303,664 = 2,124,378.72/x
  3. Step 3: Cross multiply
    3,843,302.40x = 5,303,664 × 2,124,378.72
  4. Step 4: Simplify right side
    3,843,302.40x = 11,266,990,939,630.08
  5. Step 5: Solve for x
    x = 11,266,990,939,630.08/3,843,302.40
  6. Step 6: Final answer
    x = 2,931,591.06

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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.