Home / 3,447,649.65-5,169,678.63-1,286,897.84

Finding the Fourth Proportional to 3,447,649.65, 5,169,678.63 and 1,286,897.84

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Solution

The fourth proportional to 3,447,649.65, 5,169,678.63 and 1,286,897.84 is: 1,929,676.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447,649.65 : 5,169,678.63 = 1,286,897.84 : x
  2. Step 2: Convert to fraction form
    3,447,649.65/5,169,678.63 = 1,286,897.84/x
  3. Step 3: Cross multiply
    3,447,649.65x = 5,169,678.63 × 1,286,897.84
  4. Step 4: Simplify right side
    3,447,649.65x = 6,652,848,262,441.16
  5. Step 5: Solve for x
    x = 6,652,848,262,441.16/3,447,649.65
  6. Step 6: Final answer
    x = 1,929,676.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.