Home / 2,140,136.05-2,953,354.21-1,173,274.29

Finding the Fourth Proportional to 2,140,136.05, 2,953,354.21 and 1,173,274.29

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Solution

The fourth proportional to 2,140,136.05, 2,953,354.21 and 1,173,274.29 is: 1,619,100.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,136.05 : 2,953,354.21 = 1,173,274.29 : x
  2. Step 2: Convert to fraction form
    2,140,136.05/2,953,354.21 = 1,173,274.29/x
  3. Step 3: Cross multiply
    2,140,136.05x = 2,953,354.21 × 1,173,274.29
  4. Step 4: Simplify right side
    2,140,136.05x = 3,465,094,563,856.26
  5. Step 5: Solve for x
    x = 3,465,094,563,856.26/2,140,136.05
  6. Step 6: Final answer
    x = 1,619,100.13

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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.