Home / 5,424,779.40-8,137,169.10-1,637,770.20

Finding the Fourth Proportional to 5,424,779.40, 8,137,169.10 and 1,637,770.20

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Solution

The fourth proportional to 5,424,779.40, 8,137,169.10 and 1,637,770.20 is: 2,456,655.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424,779.40 : 8,137,169.10 = 1,637,770.20 : x
  2. Step 2: Convert to fraction form
    5,424,779.40/8,137,169.10 = 1,637,770.20/x
  3. Step 3: Cross multiply
    5,424,779.40x = 8,137,169.10 × 1,637,770.20
  4. Step 4: Simplify right side
    5,424,779.40x = 13,326,813,064,340.82
  5. Step 5: Solve for x
    x = 13,326,813,064,340.82/5,424,779.40
  6. Step 6: Final answer
    x = 2,456,655.30

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1.5x scale

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.