Home / 2,603,885.40-3,905,828.10-2,193,312.60

Finding the Fourth Proportional to 2,603,885.40, 3,905,828.10 and 2,193,312.60

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Solution

The fourth proportional to 2,603,885.40, 3,905,828.10 and 2,193,312.60 is: 3,289,968.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,603,885.40 : 3,905,828.10 = 2,193,312.60 : x
  2. Step 2: Convert to fraction form
    2,603,885.40/3,905,828.10 = 2,193,312.60/x
  3. Step 3: Cross multiply
    2,603,885.40x = 3,905,828.10 × 2,193,312.60
  4. Step 4: Simplify right side
    2,603,885.40x = 8,566,701,985,164.06
  5. Step 5: Solve for x
    x = 8,566,701,985,164.06/2,603,885.40
  6. Step 6: Final answer
    x = 3,289,968.90

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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.