Home / 2,678,916.65-4,018,928.40-881,908.16

Finding the Fourth Proportional to 2,678,916.65, 4,018,928.40 and 881,908.16

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Solution

The fourth proportional to 2,678,916.65, 4,018,928.40 and 881,908.16 is: 1,323,044.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678,916.65 : 4,018,928.40 = 881,908.16 : x
  2. Step 2: Convert to fraction form
    2,678,916.65/4,018,928.40 = 881,908.16/x
  3. Step 3: Cross multiply
    2,678,916.65x = 4,018,928.40 × 881,908.16
  4. Step 4: Simplify right side
    2,678,916.65x = 3,544,325,730,321.10
  5. Step 5: Solve for x
    x = 3,544,325,730,321.10/2,678,916.65
  6. Step 6: Final answer
    x = 1,323,044.42

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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.