Home / 1,583,985.78-2,186,201.75-939,761.19

Finding the Fourth Proportional to 1,583,985.78, 2,186,201.75 and 939,761.19

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Solution

The fourth proportional to 1,583,985.78, 2,186,201.75 and 939,761.19 is: 1,297,049.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583,985.78 : 2,186,201.75 = 939,761.19 : x
  2. Step 2: Convert to fraction form
    1,583,985.78/2,186,201.75 = 939,761.19/x
  3. Step 3: Cross multiply
    1,583,985.78x = 2,186,201.75 × 939,761.19
  4. Step 4: Simplify right side
    1,583,985.78x = 2,054,507,553,461.28
  5. Step 5: Solve for x
    x = 2,054,507,553,461.28/1,583,985.78
  6. Step 6: Final answer
    x = 1,297,049.24

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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.