Home / 2,809,681.68-3,874,128.54-2,075,697.90

Finding the Fourth Proportional to 2,809,681.68, 3,874,128.54 and 2,075,697.90

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Solution

The fourth proportional to 2,809,681.68, 3,874,128.54 and 2,075,697.90 is: 2,862,075.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,681.68 : 3,874,128.54 = 2,075,697.90 : x
  2. Step 2: Convert to fraction form
    2,809,681.68/3,874,128.54 = 2,075,697.90/x
  3. Step 3: Cross multiply
    2,809,681.68x = 3,874,128.54 × 2,075,697.90
  4. Step 4: Simplify right side
    2,809,681.68x = 8,041,520,474,808.07
  5. Step 5: Solve for x
    x = 8,041,520,474,808.07/2,809,681.68
  6. Step 6: Final answer
    x = 2,862,075.28

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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.