Home / 2,113,688.71-3,171,104.75-1,507,242.93

Finding the Fourth Proportional to 2,113,688.71, 3,171,104.75 and 1,507,242.93

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Solution

The fourth proportional to 2,113,688.71, 3,171,104.75 and 1,507,242.93 is: 2,261,272.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113,688.71 : 3,171,104.75 = 1,507,242.93 : x
  2. Step 2: Convert to fraction form
    2,113,688.71/3,171,104.75 = 1,507,242.93/x
  3. Step 3: Cross multiply
    2,113,688.71x = 3,171,104.75 × 1,507,242.93
  4. Step 4: Simplify right side
    2,113,688.71x = 4,779,625,214,726.92
  5. Step 5: Solve for x
    x = 4,779,625,214,726.92/2,113,688.71
  6. Step 6: Final answer
    x = 2,261,272.06

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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.