Home / 2,121,095.52-2,927,130.48-1,960,365.60

Finding the Fourth Proportional to 2,121,095.52, 2,927,130.48 and 1,960,365.60

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Solution

The fourth proportional to 2,121,095.52, 2,927,130.48 and 1,960,365.60 is: 2,705,321.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,095.52 : 2,927,130.48 = 1,960,365.60 : x
  2. Step 2: Convert to fraction form
    2,121,095.52/2,927,130.48 = 1,960,365.60/x
  3. Step 3: Cross multiply
    2,121,095.52x = 2,927,130.48 × 1,960,365.60
  4. Step 4: Simplify right side
    2,121,095.52x = 5,738,245,899,703.49
  5. Step 5: Solve for x
    x = 5,738,245,899,703.49/2,121,095.52
  6. Step 6: Final answer
    x = 2,705,321.78

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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.