Home / 5,137,062.96-7,089,261.35-2,931,881.51

Finding the Fourth Proportional to 5,137,062.96, 7,089,261.35 and 2,931,881.51

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Solution

The fourth proportional to 5,137,062.96, 7,089,261.35 and 2,931,881.51 is: 4,046,061.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137,062.96 : 7,089,261.35 = 2,931,881.51 : x
  2. Step 2: Convert to fraction form
    5,137,062.96/7,089,261.35 = 2,931,881.51/x
  3. Step 3: Cross multiply
    5,137,062.96x = 7,089,261.35 × 2,931,881.51
  4. Step 4: Simplify right side
    5,137,062.96x = 20,784,874,221,516.92
  5. Step 5: Solve for x
    x = 20,784,874,221,516.92/5,137,062.96
  6. Step 6: Final answer
    x = 4,046,061.80

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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.