Home / 2,018,151.78-2,782,787.00-1,649,484.74

Finding the Fourth Proportional to 2,018,151.78, 2,782,787.00 and 1,649,484.74

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Solution

The fourth proportional to 2,018,151.78, 2,782,787.00 and 1,649,484.74 is: 2,274,439.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,151.78 : 2,782,787.00 = 1,649,484.74 : x
  2. Step 2: Convert to fraction form
    2,018,151.78/2,782,787.00 = 1,649,484.74/x
  3. Step 3: Cross multiply
    2,018,151.78x = 2,782,787.00 × 1,649,484.74
  4. Step 4: Simplify right side
    2,018,151.78x = 4,590,164,669,009.02
  5. Step 5: Solve for x
    x = 4,590,164,669,009.02/2,018,151.78
  6. Step 6: Final answer
    x = 2,274,439.77

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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.