Home / 1,389,117.87-2,094,088.73-1,296,531.15

Finding the Fourth Proportional to 1,389,117.87, 2,094,088.73 and 1,296,531.15

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Solution

The fourth proportional to 1,389,117.87, 2,094,088.73 and 1,296,531.15 is: 1,954,514.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,117.87 : 2,094,088.73 = 1,296,531.15 : x
  2. Step 2: Convert to fraction form
    1,389,117.87/2,094,088.73 = 1,296,531.15/x
  3. Step 3: Cross multiply
    1,389,117.87x = 2,094,088.73 × 1,296,531.15
  4. Step 4: Simplify right side
    1,389,117.87x = 2,715,051,272,550.27
  5. Step 5: Solve for x
    x = 2,715,051,272,550.27/1,389,117.87
  6. Step 6: Final answer
    x = 1,954,514.68

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.