Home / 1,637,221.75-2,243,001.79-1,575,859.18

Finding the Fourth Proportional to 1,637,221.75, 2,243,001.79 and 1,575,859.18

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Solution

The fourth proportional to 1,637,221.75, 2,243,001.79 and 1,575,859.18 is: 2,158,934.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,221.75 : 2,243,001.79 = 1,575,859.18 : x
  2. Step 2: Convert to fraction form
    1,637,221.75/2,243,001.79 = 1,575,859.18/x
  3. Step 3: Cross multiply
    1,637,221.75x = 2,243,001.79 × 1,575,859.18
  4. Step 4: Simplify right side
    1,637,221.75x = 3,534,654,961,527.93
  5. Step 5: Solve for x
    x = 3,534,654,961,527.93/1,637,221.75
  6. Step 6: Final answer
    x = 2,158,934.77

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.