Home / 3,390,947.63-4,679,513.28-1,842,215.39

Finding the Fourth Proportional to 3,390,947.63, 4,679,513.28 and 1,842,215.39

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Solution

The fourth proportional to 3,390,947.63, 4,679,513.28 and 1,842,215.39 is: 2,542,260.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390,947.63 : 4,679,513.28 = 1,842,215.39 : x
  2. Step 2: Convert to fraction form
    3,390,947.63/4,679,513.28 = 1,842,215.39/x
  3. Step 3: Cross multiply
    3,390,947.63x = 4,679,513.28 × 1,842,215.39
  4. Step 4: Simplify right side
    3,390,947.63x = 8,620,671,349,516.74
  5. Step 5: Solve for x
    x = 8,620,671,349,516.74/3,390,947.63
  6. Step 6: Final answer
    x = 2,542,260.25

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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.