Home / 1,648,979.12-2,470,247.40-1,136,553.20

Finding the Fourth Proportional to 1,648,979.12, 2,470,247.40 and 1,136,553.20

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Solution

The fourth proportional to 1,648,979.12, 2,470,247.40 and 1,136,553.20 is: 1,702,609.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648,979.12 : 2,470,247.40 = 1,136,553.20 : x
  2. Step 2: Convert to fraction form
    1,648,979.12/2,470,247.40 = 1,136,553.20/x
  3. Step 3: Cross multiply
    1,648,979.12x = 2,470,247.40 × 1,136,553.20
  4. Step 4: Simplify right side
    1,648,979.12x = 2,807,567,587,261.68
  5. Step 5: Solve for x
    x = 2,807,567,587,261.68/1,648,979.12
  6. Step 6: Final answer
    x = 1,702,609.54

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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.