Home / 4,877,678.52-7,286,848.11-3,157,810.38

Finding the Fourth Proportional to 4,877,678.52, 7,286,848.11 and 3,157,810.38

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Solution

The fourth proportional to 4,877,678.52, 7,286,848.11 and 3,157,810.38 is: 4,717,507.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877,678.52 : 7,286,848.11 = 3,157,810.38 : x
  2. Step 2: Convert to fraction form
    4,877,678.52/7,286,848.11 = 3,157,810.38/x
  3. Step 3: Cross multiply
    4,877,678.52x = 7,286,848.11 × 3,157,810.38
  4. Step 4: Simplify right side
    4,877,678.52x = 23,010,484,599,241.38
  5. Step 5: Solve for x
    x = 23,010,484,599,241.38/4,877,678.52
  6. Step 6: Final answer
    x = 4,717,507.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.