Home / 3,132,005.10-4,698,007.65-1,788,312.30

Finding the Fourth Proportional to 3,132,005.10, 4,698,007.65 and 1,788,312.30

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Solution

The fourth proportional to 3,132,005.10, 4,698,007.65 and 1,788,312.30 is: 2,682,468.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132,005.10 : 4,698,007.65 = 1,788,312.30 : x
  2. Step 2: Convert to fraction form
    3,132,005.10/4,698,007.65 = 1,788,312.30/x
  3. Step 3: Cross multiply
    3,132,005.10x = 4,698,007.65 × 1,788,312.30
  4. Step 4: Simplify right side
    3,132,005.10x = 8,401,504,865,989.10
  5. Step 5: Solve for x
    x = 8,401,504,865,989.10/3,132,005.10
  6. Step 6: Final answer
    x = 2,682,468.45

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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.