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Finding the Fourth Proportional to 4,788,045.35, 7,182,068.03 and 4,788,045.35

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Solution

The fourth proportional to 4,788,045.35, 7,182,068.03 and 4,788,045.35 is: 7,182,068.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788,045.35 : 7,182,068.03 = 4,788,045.35 : x
  2. Step 2: Convert to fraction form
    4,788,045.35/7,182,068.03 = 4,788,045.35/x
  3. Step 3: Cross multiply
    4,788,045.35x = 7,182,068.03 × 4,788,045.35
  4. Step 4: Simplify right side
    4,788,045.35x = 34,388,067,410,484.93
  5. Step 5: Solve for x
    x = 34,388,067,410,484.93/4,788,045.35
  6. Step 6: Final answer
    x = 7,182,068.03

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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.