Home / 2,749,705.68-4,119,678.36-1,148,745.36

Finding the Fourth Proportional to 2,749,705.68, 4,119,678.36 and 1,148,745.36

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Solution

The fourth proportional to 2,749,705.68, 4,119,678.36 and 1,148,745.36 is: 1,721,079.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749,705.68 : 4,119,678.36 = 1,148,745.36 : x
  2. Step 2: Convert to fraction form
    2,749,705.68/4,119,678.36 = 1,148,745.36/x
  3. Step 3: Cross multiply
    2,749,705.68x = 4,119,678.36 × 1,148,745.36
  4. Step 4: Simplify right side
    2,749,705.68x = 4,732,461,400,742.41
  5. Step 5: Solve for x
    x = 4,732,461,400,742.41/2,749,705.68
  6. Step 6: Final answer
    x = 1,721,079.25

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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.