Home / 2,154,574.59-2,973,311.73-1,187,721

Finding the Fourth Proportional to 2,154,574.59, 2,973,311.73 and 1,187,721

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Solution

The fourth proportional to 2,154,574.59, 2,973,311.73 and 1,187,721 is: 1,639,054.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,574.59 : 2,973,311.73 = 1,187,721 : x
  2. Step 2: Convert to fraction form
    2,154,574.59/2,973,311.73 = 1,187,721/x
  3. Step 3: Cross multiply
    2,154,574.59x = 2,973,311.73 × 1,187,721
  4. Step 4: Simplify right side
    2,154,574.59x = 3,531,464,781,267.33
  5. Step 5: Solve for x
    x = 3,531,464,781,267.33/2,154,574.59
  6. Step 6: Final answer
    x = 1,639,054.32

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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.