Home / 1,874,857.80-2,587,290.89-1,015,398.39

Finding the Fourth Proportional to 1,874,857.80, 2,587,290.89 and 1,015,398.39

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Solution

The fourth proportional to 1,874,857.80, 2,587,290.89 and 1,015,398.39 is: 1,401,242.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874,857.80 : 2,587,290.89 = 1,015,398.39 : x
  2. Step 2: Convert to fraction form
    1,874,857.80/2,587,290.89 = 1,015,398.39/x
  3. Step 3: Cross multiply
    1,874,857.80x = 2,587,290.89 × 1,015,398.39
  4. Step 4: Simplify right side
    1,874,857.80x = 2,627,130,999,090.67
  5. Step 5: Solve for x
    x = 2,627,130,999,090.67/1,874,857.80
  6. Step 6: Final answer
    x = 1,401,242.80

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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.