Home / 2,800,971.40-4,192,125.90-2,465,048.20

Finding the Fourth Proportional to 2,800,971.40, 4,192,125.90 and 2,465,048.20

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Solution

The fourth proportional to 2,800,971.40, 4,192,125.90 and 2,465,048.20 is: 3,689,360.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800,971.40 : 4,192,125.90 = 2,465,048.20 : x
  2. Step 2: Convert to fraction form
    2,800,971.40/4,192,125.90 = 2,465,048.20/x
  3. Step 3: Cross multiply
    2,800,971.40x = 4,192,125.90 × 2,465,048.20
  4. Step 4: Simplify right side
    2,800,971.40x = 10,333,792,403,968.38
  5. Step 5: Solve for x
    x = 10,333,792,403,968.38/2,800,971.40
  6. Step 6: Final answer
    x = 3,689,360.20

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1.5x scale

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.