Home / 3,129,638.55-4,688,366.63-2,307,479.64

Finding the Fourth Proportional to 3,129,638.55, 4,688,366.63 and 2,307,479.64

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Solution

The fourth proportional to 3,129,638.55, 4,688,366.63 and 2,307,479.64 is: 3,456,728.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,638.55 : 4,688,366.63 = 2,307,479.64 : x
  2. Step 2: Convert to fraction form
    3,129,638.55/4,688,366.63 = 2,307,479.64/x
  3. Step 3: Cross multiply
    3,129,638.55x = 4,688,366.63 × 2,307,479.64
  4. Step 4: Simplify right side
    3,129,638.55x = 10,818,310,532,043.02
  5. Step 5: Solve for x
    x = 10,818,310,532,043.02/3,129,638.55
  6. Step 6: Final answer
    x = 3,456,728.42

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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.