Home / 4,869,140.80-6,718,207.08-3,148,190.50

Finding the Fourth Proportional to 4,869,140.80, 6,718,207.08 and 3,148,190.50

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Solution

The fourth proportional to 4,869,140.80, 6,718,207.08 and 3,148,190.50 is: 4,343,722.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869,140.80 : 6,718,207.08 = 3,148,190.50 : x
  2. Step 2: Convert to fraction form
    4,869,140.80/6,718,207.08 = 3,148,190.50/x
  3. Step 3: Cross multiply
    4,869,140.80x = 6,718,207.08 × 3,148,190.50
  4. Step 4: Simplify right side
    4,869,140.80x = 21,150,195,706,288.74
  5. Step 5: Solve for x
    x = 21,150,195,706,288.74/4,869,140.80
  6. Step 6: Final answer
    x = 4,343,722.35

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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.