Home / 2,174,495.16-3,000,720.98-1,207,687.72

Finding the Fourth Proportional to 2,174,495.16, 3,000,720.98 and 1,207,687.72

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Solution

The fourth proportional to 2,174,495.16, 3,000,720.98 and 1,207,687.72 is: 1,666,563.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174,495.16 : 3,000,720.98 = 1,207,687.72 : x
  2. Step 2: Convert to fraction form
    2,174,495.16/3,000,720.98 = 1,207,687.72/x
  3. Step 3: Cross multiply
    2,174,495.16x = 3,000,720.98 × 1,207,687.72
  4. Step 4: Simplify right side
    2,174,495.16x = 3,623,933,878,692.37
  5. Step 5: Solve for x
    x = 3,623,933,878,692.37/2,174,495.16
  6. Step 6: Final answer
    x = 1,666,563.32

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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.