Home / 1,779,520.80-2,663,060.40-1,630,221.60

Finding the Fourth Proportional to 1,779,520.80, 2,663,060.40 and 1,630,221.60

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Solution

The fourth proportional to 1,779,520.80, 2,663,060.40 and 1,630,221.60 is: 2,439,633.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,520.80 : 2,663,060.40 = 1,630,221.60 : x
  2. Step 2: Convert to fraction form
    1,779,520.80/2,663,060.40 = 1,630,221.60/x
  3. Step 3: Cross multiply
    1,779,520.80x = 2,663,060.40 × 1,630,221.60
  4. Step 4: Simplify right side
    1,779,520.80x = 4,341,378,586,184.64
  5. Step 5: Solve for x
    x = 4,341,378,586,184.64/1,779,520.80
  6. Step 6: Final answer
    x = 2,439,633.52

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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.