Home / 2,820,007.40-4,230,011.10-926,940.20

Finding the Fourth Proportional to 2,820,007.40, 4,230,011.10 and 926,940.20

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Solution

The fourth proportional to 2,820,007.40, 4,230,011.10 and 926,940.20 is: 1,390,410.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820,007.40 : 4,230,011.10 = 926,940.20 : x
  2. Step 2: Convert to fraction form
    2,820,007.40/4,230,011.10 = 926,940.20/x
  3. Step 3: Cross multiply
    2,820,007.40x = 4,230,011.10 × 926,940.20
  4. Step 4: Simplify right side
    2,820,007.40x = 3,920,967,335,036.22
  5. Step 5: Solve for x
    x = 3,920,967,335,036.22/2,820,007.40
  6. Step 6: Final answer
    x = 1,390,410.30

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Similar ratio
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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.