Home / 1,980,049.68-2,971,323.98-842,810.04

Finding the Fourth Proportional to 1,980,049.68, 2,971,323.98 and 842,810.04

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Solution

The fourth proportional to 1,980,049.68, 2,971,323.98 and 842,810.04 is: 1,264,746.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,049.68 : 2,971,323.98 = 842,810.04 : x
  2. Step 2: Convert to fraction form
    1,980,049.68/2,971,323.98 = 842,810.04/x
  3. Step 3: Cross multiply
    1,980,049.68x = 2,971,323.98 × 842,810.04
  4. Step 4: Simplify right side
    1,980,049.68x = 2,504,261,678,222.71
  5. Step 5: Solve for x
    x = 2,504,261,678,222.71/1,980,049.68
  6. Step 6: Final answer
    x = 1,264,746.89

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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.