Home / 3,132,021.60-4,698,032.40-1,788,328.80

Finding the Fourth Proportional to 3,132,021.60, 4,698,032.40 and 1,788,328.80

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Solution

The fourth proportional to 3,132,021.60, 4,698,032.40 and 1,788,328.80 is: 2,682,493.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132,021.60 : 4,698,032.40 = 1,788,328.80 : x
  2. Step 2: Convert to fraction form
    3,132,021.60/4,698,032.40 = 1,788,328.80/x
  3. Step 3: Cross multiply
    3,132,021.60x = 4,698,032.40 × 1,788,328.80
  4. Step 4: Simplify right side
    3,132,021.60x = 8,401,626,644,253.12
  5. Step 5: Solve for x
    x = 8,401,626,644,253.12/3,132,021.60
  6. Step 6: Final answer
    x = 2,682,493.20

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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.