Home / 1,985,939.94-2,740,458.51-1,126,638.48

Finding the Fourth Proportional to 1,985,939.94, 2,740,458.51 and 1,126,638.48

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Solution

The fourth proportional to 1,985,939.94, 2,740,458.51 and 1,126,638.48 is: 1,554,682.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,939.94 : 2,740,458.51 = 1,126,638.48 : x
  2. Step 2: Convert to fraction form
    1,985,939.94/2,740,458.51 = 1,126,638.48/x
  3. Step 3: Cross multiply
    1,985,939.94x = 2,740,458.51 × 1,126,638.48
  4. Step 4: Simplify right side
    1,985,939.94x = 3,087,506,010,209.46
  5. Step 5: Solve for x
    x = 3,087,506,010,209.46/1,985,939.94
  6. Step 6: Final answer
    x = 1,554,682.47

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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.