Home / 3,178,148.20-4,767,222.30-2,829,783.40

Finding the Fourth Proportional to 3,178,148.20, 4,767,222.30 and 2,829,783.40

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Solution

The fourth proportional to 3,178,148.20, 4,767,222.30 and 2,829,783.40 is: 4,244,675.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,148.20 : 4,767,222.30 = 2,829,783.40 : x
  2. Step 2: Convert to fraction form
    3,178,148.20/4,767,222.30 = 2,829,783.40/x
  3. Step 3: Cross multiply
    3,178,148.20x = 4,767,222.30 × 2,829,783.40
  4. Step 4: Simplify right side
    3,178,148.20x = 13,490,206,528,649.82
  5. Step 5: Solve for x
    x = 13,490,206,528,649.82/3,178,148.20
  6. Step 6: Final answer
    x = 4,244,675.10

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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.