Home / 1,936,038.96-2,671,316.28-1,172,124.72

Finding the Fourth Proportional to 1,936,038.96, 2,671,316.28 and 1,172,124.72

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Solution

The fourth proportional to 1,936,038.96, 2,671,316.28 and 1,172,124.72 is: 1,617,279.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936,038.96 : 2,671,316.28 = 1,172,124.72 : x
  2. Step 2: Convert to fraction form
    1,936,038.96/2,671,316.28 = 1,172,124.72/x
  3. Step 3: Cross multiply
    1,936,038.96x = 2,671,316.28 × 1,172,124.72
  4. Step 4: Simplify right side
    1,936,038.96x = 3,131,115,846,726.44
  5. Step 5: Solve for x
    x = 3,131,115,846,726.44/1,936,038.96
  6. Step 6: Final answer
    x = 1,617,279.36

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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.