Home / 1,949,075.27-2,923,903.63-811,189.60

Finding the Fourth Proportional to 1,949,075.27, 2,923,903.63 and 811,189.60

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Solution

The fourth proportional to 1,949,075.27, 2,923,903.63 and 811,189.60 is: 1,216,905.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949,075.27 : 2,923,903.63 = 811,189.60 : x
  2. Step 2: Convert to fraction form
    1,949,075.27/2,923,903.63 = 811,189.60/x
  3. Step 3: Cross multiply
    1,949,075.27x = 2,923,903.63 × 811,189.60
  4. Step 4: Simplify right side
    1,949,075.27x = 2,371,840,209,762.48
  5. Step 5: Solve for x
    x = 2,371,840,209,762.48/1,949,075.27
  6. Step 6: Final answer
    x = 1,216,905.39

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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.