Home / 2,151,776.16-2,968,453.44-1,388,075.76

Finding the Fourth Proportional to 2,151,776.16, 2,968,453.44 and 1,388,075.76

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Solution

The fourth proportional to 2,151,776.16, 2,968,453.44 and 1,388,075.76 is: 1,914,900.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151,776.16 : 2,968,453.44 = 1,388,075.76 : x
  2. Step 2: Convert to fraction form
    2,151,776.16/2,968,453.44 = 1,388,075.76/x
  3. Step 3: Cross multiply
    2,151,776.16x = 2,968,453.44 × 1,388,075.76
  4. Step 4: Simplify right side
    2,151,776.16x = 4,120,438,264,752.61
  5. Step 5: Solve for x
    x = 4,120,438,264,752.61/2,151,776.16
  6. Step 6: Final answer
    x = 1,914,900.97

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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.