Home / 3,011,012.40-4,513,019.40-1,213,006.80

Finding the Fourth Proportional to 3,011,012.40, 4,513,019.40 and 1,213,006.80

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Solution

The fourth proportional to 3,011,012.40, 4,513,019.40 and 1,213,006.80 is: 1,818,100.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011,012.40 : 4,513,019.40 = 1,213,006.80 : x
  2. Step 2: Convert to fraction form
    3,011,012.40/4,513,019.40 = 1,213,006.80/x
  3. Step 3: Cross multiply
    3,011,012.40x = 4,513,019.40 × 1,213,006.80
  4. Step 4: Simplify right side
    3,011,012.40x = 5,474,323,220,731.92
  5. Step 5: Solve for x
    x = 5,474,323,220,731.92/3,011,012.40
  6. Step 6: Final answer
    x = 1,818,100.52

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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.