Home / 1,802,693.40-2,487,544.20-1,077,396.72

Finding the Fourth Proportional to 1,802,693.40, 2,487,544.20 and 1,077,396.72

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Solution

The fourth proportional to 1,802,693.40, 2,487,544.20 and 1,077,396.72 is: 1,486,704.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802,693.40 : 2,487,544.20 = 1,077,396.72 : x
  2. Step 2: Convert to fraction form
    1,802,693.40/2,487,544.20 = 1,077,396.72/x
  3. Step 3: Cross multiply
    1,802,693.40x = 2,487,544.20 × 1,077,396.72
  4. Step 4: Simplify right side
    1,802,693.40x = 2,680,071,961,935.02
  5. Step 5: Solve for x
    x = 2,680,071,961,935.02/1,802,693.40
  6. Step 6: Final answer
    x = 1,486,704.26

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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.