Home / 1,538,775.68-2,308,160.42-1,445,136.45

Finding the Fourth Proportional to 1,538,775.68, 2,308,160.42 and 1,445,136.45

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Solution

The fourth proportional to 1,538,775.68, 2,308,160.42 and 1,445,136.45 is: 2,167,701.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,775.68 : 2,308,160.42 = 1,445,136.45 : x
  2. Step 2: Convert to fraction form
    1,538,775.68/2,308,160.42 = 1,445,136.45/x
  3. Step 3: Cross multiply
    1,538,775.68x = 2,308,160.42 × 1,445,136.45
  4. Step 4: Simplify right side
    1,538,775.68x = 3,335,606,755,389.31
  5. Step 5: Solve for x
    x = 3,335,606,755,389.31/1,538,775.68
  6. Step 6: Final answer
    x = 2,167,701.76

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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.