Home / 2,126,722.51-2,935,051.77-1,209,239.56

Finding the Fourth Proportional to 2,126,722.51, 2,935,051.77 and 1,209,239.56

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Solution

The fourth proportional to 2,126,722.51, 2,935,051.77 and 1,209,239.56 is: 1,668,849.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,722.51 : 2,935,051.77 = 1,209,239.56 : x
  2. Step 2: Convert to fraction form
    2,126,722.51/2,935,051.77 = 1,209,239.56/x
  3. Step 3: Cross multiply
    2,126,722.51x = 2,935,051.77 × 1,209,239.56
  4. Step 4: Simplify right side
    2,126,722.51x = 3,549,180,710,932.02
  5. Step 5: Solve for x
    x = 3,549,180,710,932.02/2,126,722.51
  6. Step 6: Final answer
    x = 1,668,849.93

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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.