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Finding the Fourth Proportional to 3,547,590.63, 4,895,679.81 and 2,019,697.76

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Solution

The fourth proportional to 3,547,590.63, 4,895,679.81 and 2,019,697.76 is: 2,787,185.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547,590.63 : 4,895,679.81 = 2,019,697.76 : x
  2. Step 2: Convert to fraction form
    3,547,590.63/4,895,679.81 = 2,019,697.76/x
  3. Step 3: Cross multiply
    3,547,590.63x = 4,895,679.81 × 2,019,697.76
  4. Step 4: Simplify right side
    3,547,590.63x = 9,887,793,511,357.34
  5. Step 5: Solve for x
    x = 9,887,793,511,357.34/3,547,590.63
  6. Step 6: Final answer
    x = 2,787,185.60

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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.