Home / 6,623,998.40-9,935,997.60-2,075,427.20

Finding the Fourth Proportional to 6,623,998.40, 9,935,997.60 and 2,075,427.20

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Solution

The fourth proportional to 6,623,998.40, 9,935,997.60 and 2,075,427.20 is: 3,113,140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,623,998.40 : 9,935,997.60 = 2,075,427.20 : x
  2. Step 2: Convert to fraction form
    6,623,998.40/9,935,997.60 = 2,075,427.20/x
  3. Step 3: Cross multiply
    6,623,998.40x = 9,935,997.60 × 2,075,427.20
  4. Step 4: Simplify right side
    6,623,998.40x = 20,621,439,678,174.72
  5. Step 5: Solve for x
    x = 20,621,439,678,174.72/6,623,998.40
  6. Step 6: Final answer
    x = 3,113,140.80

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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.