Home / 6,459,912.60-9,689,868.90-1,971,605.40

Finding the Fourth Proportional to 6,459,912.60, 9,689,868.90 and 1,971,605.40

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Solution

The fourth proportional to 6,459,912.60, 9,689,868.90 and 1,971,605.40 is: 2,957,408.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,459,912.60 : 9,689,868.90 = 1,971,605.40 : x
  2. Step 2: Convert to fraction form
    6,459,912.60/9,689,868.90 = 1,971,605.40/x
  3. Step 3: Cross multiply
    6,459,912.60x = 9,689,868.90 × 1,971,605.40
  4. Step 4: Simplify right side
    6,459,912.60x = 19,104,597,848,532.06
  5. Step 5: Solve for x
    x = 19,104,597,848,532.06/6,459,912.60
  6. Step 6: Final answer
    x = 2,957,408.10

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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.