Home / 3,461,419.33-4,779,822.58-2,156,897.75

Finding the Fourth Proportional to 3,461,419.33, 4,779,822.58 and 2,156,897.75

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Solution

The fourth proportional to 3,461,419.33, 4,779,822.58 and 2,156,897.75 is: 2,978,428.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461,419.33 : 4,779,822.58 = 2,156,897.75 : x
  2. Step 2: Convert to fraction form
    3,461,419.33/4,779,822.58 = 2,156,897.75/x
  3. Step 3: Cross multiply
    3,461,419.33x = 4,779,822.58 × 2,156,897.75
  4. Step 4: Simplify right side
    3,461,419.33x = 10,309,588,538,909.84
  5. Step 5: Solve for x
    x = 10,309,588,538,909.84/3,461,419.33
  6. Step 6: Final answer
    x = 2,978,428.08

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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.