Home / 2,010,271.80-3,011,471.10-1,209,173.70

Finding the Fourth Proportional to 2,010,271.80, 3,011,471.10 and 1,209,173.70

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Solution

The fourth proportional to 2,010,271.80, 3,011,471.10 and 1,209,173.70 is: 1,811,392.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010,271.80 : 3,011,471.10 = 1,209,173.70 : x
  2. Step 2: Convert to fraction form
    2,010,271.80/3,011,471.10 = 1,209,173.70/x
  3. Step 3: Cross multiply
    2,010,271.80x = 3,011,471.10 × 1,209,173.70
  4. Step 4: Simplify right side
    2,010,271.80x = 3,641,391,652,430.07
  5. Step 5: Solve for x
    x = 3,641,391,652,430.07/2,010,271.80
  6. Step 6: Final answer
    x = 1,811,392.69

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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.