Home / 2,154,576.09-2,973,313.80-1,187,722.50

Finding the Fourth Proportional to 2,154,576.09, 2,973,313.80 and 1,187,722.50

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Solution

The fourth proportional to 2,154,576.09, 2,973,313.80 and 1,187,722.50 is: 1,639,056.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,576.09 : 2,973,313.80 = 1,187,722.50 : x
  2. Step 2: Convert to fraction form
    2,154,576.09/2,973,313.80 = 1,187,722.50/x
  3. Step 3: Cross multiply
    2,154,576.09x = 2,973,313.80 × 1,187,722.50
  4. Step 4: Simplify right side
    2,154,576.09x = 3,531,471,699,820.50
  5. Step 5: Solve for x
    x = 3,531,471,699,820.50/2,154,576.09
  6. Step 6: Final answer
    x = 1,639,056.39

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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.