Home / 1,538,429.10-2,307,643.65-1,449,855.60

Finding the Fourth Proportional to 1,538,429.10, 2,307,643.65 and 1,449,855.60

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Solution

The fourth proportional to 1,538,429.10, 2,307,643.65 and 1,449,855.60 is: 2,174,783.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,429.10 : 2,307,643.65 = 1,449,855.60 : x
  2. Step 2: Convert to fraction form
    1,538,429.10/2,307,643.65 = 1,449,855.60/x
  3. Step 3: Cross multiply
    1,538,429.10x = 2,307,643.65 × 1,449,855.60
  4. Step 4: Simplify right side
    1,538,429.10x = 3,345,750,068,756.94
  5. Step 5: Solve for x
    x = 3,345,750,068,756.94/1,538,429.10
  6. Step 6: Final answer
    x = 2,174,783.40

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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.