Home / 2,147,678.37-2,963,619.72-1,264,487.13

Finding the Fourth Proportional to 2,147,678.37, 2,963,619.72 and 1,264,487.13

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Solution

The fourth proportional to 2,147,678.37, 2,963,619.72 and 1,264,487.13 is: 1,744,888.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,678.37 : 2,963,619.72 = 1,264,487.13 : x
  2. Step 2: Convert to fraction form
    2,147,678.37/2,963,619.72 = 1,264,487.13/x
  3. Step 3: Cross multiply
    2,147,678.37x = 2,963,619.72 × 1,264,487.13
  4. Step 4: Simplify right side
    2,147,678.37x = 3,747,458,994,154.20
  5. Step 5: Solve for x
    x = 3,747,458,994,154.20/2,147,678.37
  6. Step 6: Final answer
    x = 1,744,888.36

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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.