Home / 2,157,268.53-3,237,139.20-877,639.86

Finding the Fourth Proportional to 2,157,268.53, 3,237,139.20 and 877,639.86

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Solution

The fourth proportional to 2,157,268.53, 3,237,139.20 and 877,639.86 is: 1,316,962.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,268.53 : 3,237,139.20 = 877,639.86 : x
  2. Step 2: Convert to fraction form
    2,157,268.53/3,237,139.20 = 877,639.86/x
  3. Step 3: Cross multiply
    2,157,268.53x = 3,237,139.20 × 877,639.86
  4. Step 4: Simplify right side
    2,157,268.53x = 2,841,042,394,288.51
  5. Step 5: Solve for x
    x = 2,841,042,394,288.51/2,157,268.53
  6. Step 6: Final answer
    x = 1,316,962.80

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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.