Home / 2,980,212.08-4,112,689.56-1,622,081.84

Finding the Fourth Proportional to 2,980,212.08, 4,112,689.56 and 1,622,081.84

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Solution

The fourth proportional to 2,980,212.08, 4,112,689.56 and 1,622,081.84 is: 2,238,471.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,212.08 : 4,112,689.56 = 1,622,081.84 : x
  2. Step 2: Convert to fraction form
    2,980,212.08/4,112,689.56 = 1,622,081.84/x
  3. Step 3: Cross multiply
    2,980,212.08x = 4,112,689.56 × 1,622,081.84
  4. Step 4: Simplify right side
    2,980,212.08x = 6,671,119,048,833.59
  5. Step 5: Solve for x
    x = 6,671,119,048,833.59/2,980,212.08
  6. Step 6: Final answer
    x = 2,238,471.25

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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.