Home / 2,156,066.64-2,975,261.76-1,237,657.86

Finding the Fourth Proportional to 2,156,066.64, 2,975,261.76 and 1,237,657.86

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Solution

The fourth proportional to 2,156,066.64, 2,975,261.76 and 1,237,657.86 is: 1,707,904.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,066.64 : 2,975,261.76 = 1,237,657.86 : x
  2. Step 2: Convert to fraction form
    2,156,066.64/2,975,261.76 = 1,237,657.86/x
  3. Step 3: Cross multiply
    2,156,066.64x = 2,975,261.76 × 1,237,657.86
  4. Step 4: Simplify right side
    2,156,066.64x = 3,682,356,102,821.43
  5. Step 5: Solve for x
    x = 3,682,356,102,821.43/2,156,066.64
  6. Step 6: Final answer
    x = 1,707,904.59

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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.