Home / 2,078,133.10-3,111,950.85-1,658,229.10

Finding the Fourth Proportional to 2,078,133.10, 3,111,950.85 and 1,658,229.10

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Solution

The fourth proportional to 2,078,133.10, 3,111,950.85 and 1,658,229.10 is: 2,483,155.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,133.10 : 3,111,950.85 = 1,658,229.10 : x
  2. Step 2: Convert to fraction form
    2,078,133.10/3,111,950.85 = 1,658,229.10/x
  3. Step 3: Cross multiply
    2,078,133.10x = 3,111,950.85 × 1,658,229.10
  4. Step 4: Simplify right side
    2,078,133.10x = 5,160,327,457,239.74
  5. Step 5: Solve for x
    x = 5,160,327,457,239.74/2,078,133.10
  6. Step 6: Final answer
    x = 2,483,155.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.