Home / 5,289,980.82-7,934,737.95-1,695,928.20

Finding the Fourth Proportional to 5,289,980.82, 7,934,737.95 and 1,695,928.20

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Solution

The fourth proportional to 5,289,980.82, 7,934,737.95 and 1,695,928.20 is: 2,543,817.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289,980.82 : 7,934,737.95 = 1,695,928.20 : x
  2. Step 2: Convert to fraction form
    5,289,980.82/7,934,737.95 = 1,695,928.20/x
  3. Step 3: Cross multiply
    5,289,980.82x = 7,934,737.95 × 1,695,928.20
  4. Step 4: Simplify right side
    5,289,980.82x = 13,456,745,849,015.19
  5. Step 5: Solve for x
    x = 13,456,745,849,015.19/5,289,980.82
  6. Step 6: Final answer
    x = 2,543,817.51

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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.