Home / 3,427,303.53-4,729,678.89-1,899,509.07

Finding the Fourth Proportional to 3,427,303.53, 4,729,678.89 and 1,899,509.07

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Solution

The fourth proportional to 3,427,303.53, 4,729,678.89 and 1,899,509.07 is: 2,621,322.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427,303.53 : 4,729,678.89 = 1,899,509.07 : x
  2. Step 2: Convert to fraction form
    3,427,303.53/4,729,678.89 = 1,899,509.07/x
  3. Step 3: Cross multiply
    3,427,303.53x = 4,729,678.89 × 1,899,509.07
  4. Step 4: Simplify right side
    3,427,303.53x = 8,984,067,949,742.53
  5. Step 5: Solve for x
    x = 8,984,067,949,742.53/3,427,303.53
  6. Step 6: Final answer
    x = 2,621,322.53

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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.