Home / 2,117,494.32-2,921,904.96-1,199,526.86

Finding the Fourth Proportional to 2,117,494.32, 2,921,904.96 and 1,199,526.86

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Solution

The fourth proportional to 2,117,494.32, 2,921,904.96 and 1,199,526.86 is: 1,655,212.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,494.32 : 2,921,904.96 = 1,199,526.86 : x
  2. Step 2: Convert to fraction form
    2,117,494.32/2,921,904.96 = 1,199,526.86/x
  3. Step 3: Cross multiply
    2,117,494.32x = 2,921,904.96 × 1,199,526.86
  4. Step 4: Simplify right side
    2,117,494.32x = 3,504,903,484,693.76
  5. Step 5: Solve for x
    x = 3,504,903,484,693.76/2,117,494.32
  6. Step 6: Final answer
    x = 1,655,212.70

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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.