Home / 3,462,711.77-4,781,606.27-2,158,190.20

Finding the Fourth Proportional to 3,462,711.77, 4,781,606.27 and 2,158,190.20

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Solution

The fourth proportional to 3,462,711.77, 4,781,606.27 and 2,158,190.20 is: 2,980,212.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462,711.77 : 4,781,606.27 = 2,158,190.20 : x
  2. Step 2: Convert to fraction form
    3,462,711.77/4,781,606.27 = 2,158,190.20/x
  3. Step 3: Cross multiply
    3,462,711.77x = 4,781,606.27 × 2,158,190.20
  4. Step 4: Simplify right side
    3,462,711.77x = 10,319,615,769,427.59
  5. Step 5: Solve for x
    x = 10,319,615,769,427.59/3,462,711.77
  6. Step 6: Final answer
    x = 2,980,212.17

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1.5x scale

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.