Home / 3,109,904.49-4,290,200.85-1,819,946.28

Finding the Fourth Proportional to 3,109,904.49, 4,290,200.85 and 1,819,946.28

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Solution

The fourth proportional to 3,109,904.49, 4,290,200.85 and 1,819,946.28 is: 2,510,667.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,904.49 : 4,290,200.85 = 1,819,946.28 : x
  2. Step 2: Convert to fraction form
    3,109,904.49/4,290,200.85 = 1,819,946.28/x
  3. Step 3: Cross multiply
    3,109,904.49x = 4,290,200.85 × 1,819,946.28
  4. Step 4: Simplify right side
    3,109,904.49x = 7,807,935,077,410.34
  5. Step 5: Solve for x
    x = 7,807,935,077,410.34/3,109,904.49
  6. Step 6: Final answer
    x = 2,510,667.16

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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.