Home / 5,356,328.40-8,031,958.92-2,075,219.28

Finding the Fourth Proportional to 5,356,328.40, 8,031,958.92 and 2,075,219.28

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Solution

The fourth proportional to 5,356,328.40, 8,031,958.92 and 2,075,219.28 is: 3,111,847.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,356,328.40 : 8,031,958.92 = 2,075,219.28 : x
  2. Step 2: Convert to fraction form
    5,356,328.40/8,031,958.92 = 2,075,219.28/x
  3. Step 3: Cross multiply
    5,356,328.40x = 8,031,958.92 × 2,075,219.28
  4. Step 4: Simplify right side
    5,356,328.40x = 16,668,076,006,951.98
  5. Step 5: Solve for x
    x = 16,668,076,006,951.98/5,356,328.40
  6. Step 6: Final answer
    x = 3,111,847.29

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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.