Home / 1,889,128.08-2,606,998.32-1,029,671.04

Finding the Fourth Proportional to 1,889,128.08, 2,606,998.32 and 1,029,671.04

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Solution

The fourth proportional to 1,889,128.08, 2,606,998.32 and 1,029,671.04 is: 1,420,946.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,128.08 : 2,606,998.32 = 1,029,671.04 : x
  2. Step 2: Convert to fraction form
    1,889,128.08/2,606,998.32 = 1,029,671.04/x
  3. Step 3: Cross multiply
    1,889,128.08x = 2,606,998.32 × 1,029,671.04
  4. Step 4: Simplify right side
    1,889,128.08x = 2,684,350,671,432.65
  5. Step 5: Solve for x
    x = 2,684,350,671,432.65/1,889,128.08
  6. Step 6: Final answer
    x = 1,420,946.89

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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.