Home / 5,289,907.20-7,300,076.64-2,875,459.20

Finding the Fourth Proportional to 5,289,907.20, 7,300,076.64 and 2,875,459.20

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Solution

The fourth proportional to 5,289,907.20, 7,300,076.64 and 2,875,459.20 is: 3,968,136.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289,907.20 : 7,300,076.64 = 2,875,459.20 : x
  2. Step 2: Convert to fraction form
    5,289,907.20/7,300,076.64 = 2,875,459.20/x
  3. Step 3: Cross multiply
    5,289,907.20x = 7,300,076.64 × 2,875,459.20
  4. Step 4: Simplify right side
    5,289,907.20x = 20,991,072,535,193.09
  5. Step 5: Solve for x
    x = 20,991,072,535,193.09/5,289,907.20
  6. Step 6: Final answer
    x = 3,968,136.25

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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.