Home / 1,607,985.87-2,218,921.05-882,829.50

Finding the Fourth Proportional to 1,607,985.87, 2,218,921.05 and 882,829.50

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Solution

The fourth proportional to 1,607,985.87, 2,218,921.05 and 882,829.50 is: 1,218,250.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,607,985.87 : 2,218,921.05 = 882,829.50 : x
  2. Step 2: Convert to fraction form
    1,607,985.87/2,218,921.05 = 882,829.50/x
  3. Step 3: Cross multiply
    1,607,985.87x = 2,218,921.05 × 882,829.50
  4. Step 4: Simplify right side
    1,607,985.87x = 1,958,928,961,110.98
  5. Step 5: Solve for x
    x = 1,958,928,961,110.98/1,607,985.87
  6. Step 6: Final answer
    x = 1,218,250.11

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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.