Home / 3,426,420-5,139,641.58-867,633.74

Finding the Fourth Proportional to 3,426,420, 5,139,641.58 and 867,633.74

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Solution

The fourth proportional to 3,426,420, 5,139,641.58 and 867,633.74 is: 1,301,453.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426,420 : 5,139,641.58 = 867,633.74 : x
  2. Step 2: Convert to fraction form
    3,426,420/5,139,641.58 = 867,633.74/x
  3. Step 3: Cross multiply
    3,426,420x = 5,139,641.58 × 867,633.74
  4. Step 4: Simplify right side
    3,426,420x = 4,459,326,446,314.91
  5. Step 5: Solve for x
    x = 4,459,326,446,314.91/3,426,420
  6. Step 6: Final answer
    x = 1,301,453.54

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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.