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Finding the Fourth Proportional to 2,020,349.22, 2,788,141.02 and 1,102,637.32

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Solution

The fourth proportional to 2,020,349.22, 2,788,141.02 and 1,102,637.32 is: 1,521,671.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,349.22 : 2,788,141.02 = 1,102,637.32 : x
  2. Step 2: Convert to fraction form
    2,020,349.22/2,788,141.02 = 1,102,637.32/x
  3. Step 3: Cross multiply
    2,020,349.22x = 2,788,141.02 × 1,102,637.32
  4. Step 4: Simplify right side
    2,020,349.22x = 3,074,308,342,074.87
  5. Step 5: Solve for x
    x = 3,074,308,342,074.87/2,020,349.22
  6. Step 6: Final answer
    x = 1,521,671.75

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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.