Home / 2,011,817.40-3,017,726.10-1,212,687.60

Finding the Fourth Proportional to 2,011,817.40, 3,017,726.10 and 1,212,687.60

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Solution

The fourth proportional to 2,011,817.40, 3,017,726.10 and 1,212,687.60 is: 1,819,031.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011,817.40 : 3,017,726.10 = 1,212,687.60 : x
  2. Step 2: Convert to fraction form
    2,011,817.40/3,017,726.10 = 1,212,687.60/x
  3. Step 3: Cross multiply
    2,011,817.40x = 3,017,726.10 × 1,212,687.60
  4. Step 4: Simplify right side
    2,011,817.40x = 3,659,559,021,666.36
  5. Step 5: Solve for x
    x = 3,659,559,021,666.36/2,011,817.40
  6. Step 6: Final answer
    x = 1,819,031.40

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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.