Home / 2,148,279.48-2,964,701.76-1,181,484.60

Finding the Fourth Proportional to 2,148,279.48, 2,964,701.76 and 1,181,484.60

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Solution

The fourth proportional to 2,148,279.48, 2,964,701.76 and 1,181,484.60 is: 1,630,490.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,279.48 : 2,964,701.76 = 1,181,484.60 : x
  2. Step 2: Convert to fraction form
    2,148,279.48/2,964,701.76 = 1,181,484.60/x
  3. Step 3: Cross multiply
    2,148,279.48x = 2,964,701.76 × 1,181,484.60
  4. Step 4: Simplify right side
    2,148,279.48x = 3,502,749,473,032.90
  5. Step 5: Solve for x
    x = 3,502,749,473,032.90/2,148,279.48
  6. Step 6: Final answer
    x = 1,630,490.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.