Home / 2,217,000.40-3,317,196.60-1,578,779.60

Finding the Fourth Proportional to 2,217,000.40, 3,317,196.60 and 1,578,779.60

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Solution

The fourth proportional to 2,217,000.40, 3,317,196.60 and 1,578,779.60 is: 2,362,255.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217,000.40 : 3,317,196.60 = 1,578,779.60 : x
  2. Step 2: Convert to fraction form
    2,217,000.40/3,317,196.60 = 1,578,779.60/x
  3. Step 3: Cross multiply
    2,217,000.40x = 3,317,196.60 × 1,578,779.60
  4. Step 4: Simplify right side
    2,217,000.40x = 5,237,122,321,269.36
  5. Step 5: Solve for x
    x = 5,237,122,321,269.36/2,217,000.40
  6. Step 6: Final answer
    x = 2,362,255.92

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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.