Home / 1,971,901.55-2,958,179.19-692,176.95

Finding the Fourth Proportional to 1,971,901.55, 2,958,179.19 and 692,176.95

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Solution

The fourth proportional to 1,971,901.55, 2,958,179.19 and 692,176.95 is: 1,038,380.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,901.55 : 2,958,179.19 = 692,176.95 : x
  2. Step 2: Convert to fraction form
    1,971,901.55/2,958,179.19 = 692,176.95/x
  3. Step 3: Cross multiply
    1,971,901.55x = 2,958,179.19 × 692,176.95
  4. Step 4: Simplify right side
    1,971,901.55x = 2,047,583,449,287.67
  5. Step 5: Solve for x
    x = 2,047,583,449,287.67/1,971,901.55
  6. Step 6: Final answer
    x = 1,038,380.16

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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.