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Finding the Fourth Proportional to 2,019,602.82, 2,787,038.61 and 1,148,437.59

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Solution

The fourth proportional to 2,019,602.82, 2,787,038.61 and 1,148,437.59 is: 1,584,836.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,602.82 : 2,787,038.61 = 1,148,437.59 : x
  2. Step 2: Convert to fraction form
    2,019,602.82/2,787,038.61 = 1,148,437.59/x
  3. Step 3: Cross multiply
    2,019,602.82x = 2,787,038.61 × 1,148,437.59
  4. Step 4: Simplify right side
    2,019,602.82x = 3,200,739,904,505.35
  5. Step 5: Solve for x
    x = 3,200,739,904,505.35/2,019,602.82
  6. Step 6: Final answer
    x = 1,584,836.32

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.