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Finding the Fourth Proportional to 1,922,612.55, 2,885,652.22 and 1,024,802.07

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Solution

The fourth proportional to 1,922,612.55, 2,885,652.22 and 1,024,802.07 is: 1,538,127.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922,612.55 : 2,885,652.22 = 1,024,802.07 : x
  2. Step 2: Convert to fraction form
    1,922,612.55/2,885,652.22 = 1,024,802.07/x
  3. Step 3: Cross multiply
    1,922,612.55x = 2,885,652.22 × 1,024,802.07
  4. Step 4: Simplify right side
    1,922,612.55x = 2,957,222,368,356.10
  5. Step 5: Solve for x
    x = 2,957,222,368,356.10/1,922,612.55
  6. Step 6: Final answer
    x = 1,538,127.05

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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.