Home / 1,877,287.90-2,590,641.66-1,061,651.72

Finding the Fourth Proportional to 1,877,287.90, 2,590,641.66 and 1,061,651.72

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Solution

The fourth proportional to 1,877,287.90, 2,590,641.66 and 1,061,651.72 is: 1,465,070.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,287.90 : 2,590,641.66 = 1,061,651.72 : x
  2. Step 2: Convert to fraction form
    1,877,287.90/2,590,641.66 = 1,061,651.72/x
  3. Step 3: Cross multiply
    1,877,287.90x = 2,590,641.66 × 1,061,651.72
  4. Step 4: Simplify right side
    1,877,287.90x = 2,750,359,174,242.66
  5. Step 5: Solve for x
    x = 2,750,359,174,242.66/1,877,287.90
  6. Step 6: Final answer
    x = 1,465,070.53

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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.