Home / 3,029,918-4,181,374.32-1,671,878.48

Finding the Fourth Proportional to 3,029,918, 4,181,374.32 and 1,671,878.48

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Solution

The fourth proportional to 3,029,918, 4,181,374.32 and 1,671,878.48 is: 2,307,240.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,029,918 : 4,181,374.32 = 1,671,878.48 : x
  2. Step 2: Convert to fraction form
    3,029,918/4,181,374.32 = 1,671,878.48/x
  3. Step 3: Cross multiply
    3,029,918x = 4,181,374.32 × 1,671,878.48
  4. Step 4: Simplify right side
    3,029,918x = 6,990,749,742,432.63
  5. Step 5: Solve for x
    x = 6,990,749,742,432.63/3,029,918
  6. Step 6: Final answer
    x = 2,307,240.57

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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.