Home / 1,637,041.72-2,259,168.80-939,450.15

Finding the Fourth Proportional to 1,637,041.72, 2,259,168.80 and 939,450.15

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Solution

The fourth proportional to 1,637,041.72, 2,259,168.80 and 939,450.15 is: 1,296,470.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,041.72 : 2,259,168.80 = 939,450.15 : x
  2. Step 2: Convert to fraction form
    1,637,041.72/2,259,168.80 = 939,450.15/x
  3. Step 3: Cross multiply
    1,637,041.72x = 2,259,168.80 × 939,450.15
  4. Step 4: Simplify right side
    1,637,041.72x = 2,122,376,463,338.07
  5. Step 5: Solve for x
    x = 2,122,376,463,338.07/1,637,041.72
  6. Step 6: Final answer
    x = 1,296,470.60

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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.