Home / 2,174,406.72-3,000,721.93-1,207,627.58

Finding the Fourth Proportional to 2,174,406.72, 3,000,721.93 and 1,207,627.58

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Solution

The fourth proportional to 2,174,406.72, 3,000,721.93 and 1,207,627.58 is: 1,666,548.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174,406.72 : 3,000,721.93 = 1,207,627.58 : x
  2. Step 2: Convert to fraction form
    2,174,406.72/3,000,721.93 = 1,207,627.58/x
  3. Step 3: Cross multiply
    2,174,406.72x = 3,000,721.93 × 1,207,627.58
  4. Step 4: Simplify right side
    2,174,406.72x = 3,623,754,562,578.83
  5. Step 5: Solve for x
    x = 3,623,754,562,578.83/2,174,406.72
  6. Step 6: Final answer
    x = 1,666,548.64

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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.