Home / 1,971,902.55-2,958,180.69-692,177.95

Finding the Fourth Proportional to 1,971,902.55, 2,958,180.69 and 692,177.95

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Solution

The fourth proportional to 1,971,902.55, 2,958,180.69 and 692,177.95 is: 1,038,381.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,902.55 : 2,958,180.69 = 692,177.95 : x
  2. Step 2: Convert to fraction form
    1,971,902.55/2,958,180.69 = 692,177.95/x
  3. Step 3: Cross multiply
    1,971,902.55x = 2,958,180.69 × 692,177.95
  4. Step 4: Simplify right side
    1,971,902.55x = 2,047,587,445,733.79
  5. Step 5: Solve for x
    x = 2,047,587,445,733.79/1,971,902.55
  6. Step 6: Final answer
    x = 1,038,381.66

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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.