Home / 4,771,876.65-7,148,783.62-2,820,763.90

Finding the Fourth Proportional to 4,771,876.65, 7,148,783.62 and 2,820,763.90

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Solution

The fourth proportional to 4,771,876.65, 7,148,783.62 and 2,820,763.90 is: 4,225,807.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,771,876.65 : 7,148,783.62 = 2,820,763.90 : x
  2. Step 2: Convert to fraction form
    4,771,876.65/7,148,783.62 = 2,820,763.90/x
  3. Step 3: Cross multiply
    4,771,876.65x = 7,148,783.62 × 2,820,763.90
  4. Step 4: Simplify right side
    4,771,876.65x = 20,165,030,714,359.58
  5. Step 5: Solve for x
    x = 20,165,030,714,359.58/4,771,876.65
  6. Step 6: Final answer
    x = 4,225,807.20

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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.