Home / 2,277,897.21-3,144,289.79-1,311,412.70

Finding the Fourth Proportional to 2,277,897.21, 3,144,289.79 and 1,311,412.70

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Solution

The fourth proportional to 2,277,897.21, 3,144,289.79 and 1,311,412.70 is: 1,810,205.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277,897.21 : 3,144,289.79 = 1,311,412.70 : x
  2. Step 2: Convert to fraction form
    2,277,897.21/3,144,289.79 = 1,311,412.70/x
  3. Step 3: Cross multiply
    2,277,897.21x = 3,144,289.79 × 1,311,412.70
  4. Step 4: Simplify right side
    2,277,897.21x = 4,123,461,574,225.59
  5. Step 5: Solve for x
    x = 4,123,461,574,225.59/2,277,897.21
  6. Step 6: Final answer
    x = 1,810,205.29

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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.