Home / 2,139,071.67-3,206,448.45-1,340,913.74

Finding the Fourth Proportional to 2,139,071.67, 3,206,448.45 and 1,340,913.74

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Solution

The fourth proportional to 2,139,071.67, 3,206,448.45 and 1,340,913.74 is: 2,010,017.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,071.67 : 3,206,448.45 = 1,340,913.74 : x
  2. Step 2: Convert to fraction form
    2,139,071.67/3,206,448.45 = 1,340,913.74/x
  3. Step 3: Cross multiply
    2,139,071.67x = 3,206,448.45 × 1,340,913.74
  4. Step 4: Simplify right side
    2,139,071.67x = 4,299,570,767,174.46
  5. Step 5: Solve for x
    x = 4,299,570,767,174.46/2,139,071.67
  6. Step 6: Final answer
    x = 2,010,017.16

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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.