Home / 2,731,438.86-3,769,386.30-1,507,745.08

Finding the Fourth Proportional to 2,731,438.86, 3,769,386.30 and 1,507,745.08

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Solution

The fourth proportional to 2,731,438.86, 3,769,386.30 and 1,507,745.08 is: 2,080,688.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731,438.86 : 3,769,386.30 = 1,507,745.08 : x
  2. Step 2: Convert to fraction form
    2,731,438.86/3,769,386.30 = 1,507,745.08/x
  3. Step 3: Cross multiply
    2,731,438.86x = 3,769,386.30 × 1,507,745.08
  4. Step 4: Simplify right side
    2,731,438.86x = 5,683,273,648,444.40
  5. Step 5: Solve for x
    x = 5,683,273,648,444.40/2,731,438.86
  6. Step 6: Final answer
    x = 2,080,688.58

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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.