Home / 5,422,003.72-8,130,643.08-1,827,100.60

Finding the Fourth Proportional to 5,422,003.72, 8,130,643.08 and 1,827,100.60

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Solution

The fourth proportional to 5,422,003.72, 8,130,643.08 and 1,827,100.60 is: 2,739,854.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422,003.72 : 8,130,643.08 = 1,827,100.60 : x
  2. Step 2: Convert to fraction form
    5,422,003.72/8,130,643.08 = 1,827,100.60/x
  3. Step 3: Cross multiply
    5,422,003.72x = 8,130,643.08 × 1,827,100.60
  4. Step 4: Simplify right side
    5,422,003.72x = 14,855,502,849,853.85
  5. Step 5: Solve for x
    x = 14,855,502,849,853.85/5,422,003.72
  6. Step 6: Final answer
    x = 2,739,854.79

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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.