Home / 5,100,502-7,038,692.76-2,808,657.22

Finding the Fourth Proportional to 5,100,502, 7,038,692.76 and 2,808,657.22

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Solution

The fourth proportional to 5,100,502, 7,038,692.76 and 2,808,657.22 is: 3,875,946.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100,502 : 7,038,692.76 = 2,808,657.22 : x
  2. Step 2: Convert to fraction form
    5,100,502/7,038,692.76 = 2,808,657.22/x
  3. Step 3: Cross multiply
    5,100,502x = 7,038,692.76 × 2,808,657.22
  4. Step 4: Simplify right side
    5,100,502x = 19,769,275,239,735.73
  5. Step 5: Solve for x
    x = 19,769,275,239,735.73/5,100,502
  6. Step 6: Final answer
    x = 3,875,946.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.