Home / 2,154,420.53-2,973,099.60-1,187,566.97

Finding the Fourth Proportional to 2,154,420.53, 2,973,099.60 and 1,187,566.97

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Solution

The fourth proportional to 2,154,420.53, 2,973,099.60 and 1,187,566.97 is: 1,638,842.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,420.53 : 2,973,099.60 = 1,187,566.97 : x
  2. Step 2: Convert to fraction form
    2,154,420.53/2,973,099.60 = 1,187,566.97/x
  3. Step 3: Cross multiply
    2,154,420.53x = 2,973,099.60 × 1,187,566.97
  4. Step 4: Simplify right side
    2,154,420.53x = 3,530,754,868,614.71
  5. Step 5: Solve for x
    x = 3,530,754,868,614.71/2,154,420.53
  6. Step 6: Final answer
    x = 1,638,842.01

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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.