Home / 1,939,123.79-2,675,904.49-1,111,604.08

Finding the Fourth Proportional to 1,939,123.79, 2,675,904.49 and 1,111,604.08

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Solution

The fourth proportional to 1,939,123.79, 2,675,904.49 and 1,111,604.08 is: 1,533,964.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,123.79 : 2,675,904.49 = 1,111,604.08 : x
  2. Step 2: Convert to fraction form
    1,939,123.79/2,675,904.49 = 1,111,604.08/x
  3. Step 3: Cross multiply
    1,939,123.79x = 2,675,904.49 × 1,111,604.08
  4. Step 4: Simplify right side
    1,939,123.79x = 2,974,546,343,216.30
  5. Step 5: Solve for x
    x = 2,974,546,343,216.30/1,939,123.79
  6. Step 6: Final answer
    x = 1,533,964.14

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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.