Home / 2,154,423.78-2,973,104.08-1,187,570.22

Finding the Fourth Proportional to 2,154,423.78, 2,973,104.08 and 1,187,570.22

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Solution

The fourth proportional to 2,154,423.78, 2,973,104.08 and 1,187,570.22 is: 1,638,846.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,423.78 : 2,973,104.08 = 1,187,570.22 : x
  2. Step 2: Convert to fraction form
    2,154,423.78/2,973,104.08 = 1,187,570.22/x
  3. Step 3: Cross multiply
    2,154,423.78x = 2,973,104.08 × 1,187,570.22
  4. Step 4: Simplify right side
    2,154,423.78x = 3,530,769,866,368.50
  5. Step 5: Solve for x
    x = 3,530,769,866,368.50/2,154,423.78
  6. Step 6: Final answer
    x = 1,638,846.50

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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.