Home / 2,916,279.20-4,374,418.80-2,313,979.40

Finding the Fourth Proportional to 2,916,279.20, 4,374,418.80 and 2,313,979.40

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Solution

The fourth proportional to 2,916,279.20, 4,374,418.80 and 2,313,979.40 is: 3,470,969.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916,279.20 : 4,374,418.80 = 2,313,979.40 : x
  2. Step 2: Convert to fraction form
    2,916,279.20/4,374,418.80 = 2,313,979.40/x
  3. Step 3: Cross multiply
    2,916,279.20x = 4,374,418.80 × 2,313,979.40
  4. Step 4: Simplify right side
    2,916,279.20x = 10,122,314,990,172.72
  5. Step 5: Solve for x
    x = 10,122,314,990,172.72/2,916,279.20
  6. Step 6: Final answer
    x = 3,470,969.10

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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.