Home / 1,980,681.65-2,732,223.61-1,153,657.73

Finding the Fourth Proportional to 1,980,681.65, 2,732,223.61 and 1,153,657.73

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Solution

The fourth proportional to 1,980,681.65, 2,732,223.61 and 1,153,657.73 is: 1,591,397.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,681.65 : 2,732,223.61 = 1,153,657.73 : x
  2. Step 2: Convert to fraction form
    1,980,681.65/2,732,223.61 = 1,153,657.73/x
  3. Step 3: Cross multiply
    1,980,681.65x = 2,732,223.61 × 1,153,657.73
  4. Step 4: Simplify right side
    1,980,681.65x = 3,152,050,891,711.42
  5. Step 5: Solve for x
    x = 3,152,050,891,711.42/1,980,681.65
  6. Step 6: Final answer
    x = 1,591,397.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.