Home / 2,139,059.67-3,206,430.53-1,340,901.74

Finding the Fourth Proportional to 2,139,059.67, 3,206,430.53 and 1,340,901.74

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Solution

The fourth proportional to 2,139,059.67, 3,206,430.53 and 1,340,901.74 is: 2,009,999.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,059.67 : 3,206,430.53 = 1,340,901.74 : x
  2. Step 2: Convert to fraction form
    2,139,059.67/3,206,430.53 = 1,340,901.74/x
  3. Step 3: Cross multiply
    2,139,059.67x = 3,206,430.53 × 1,340,901.74
  4. Step 4: Simplify right side
    2,139,059.67x = 4,299,508,254,129.46
  5. Step 5: Solve for x
    x = 4,299,508,254,129.46/2,139,059.67
  6. Step 6: Final answer
    x = 2,009,999.21

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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.