Home / 2,709,641.21-4,064,461.85-912,374.22

Finding the Fourth Proportional to 2,709,641.21, 4,064,461.85 and 912,374.22

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Solution

The fourth proportional to 2,709,641.21, 4,064,461.85 and 912,374.22 is: 1,368,561.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709,641.21 : 4,064,461.85 = 912,374.22 : x
  2. Step 2: Convert to fraction form
    2,709,641.21/4,064,461.85 = 912,374.22/x
  3. Step 3: Cross multiply
    2,709,641.21x = 4,064,461.85 × 912,374.22
  4. Step 4: Simplify right side
    2,709,641.21x = 3,708,310,212,394.44
  5. Step 5: Solve for x
    x = 3,708,310,212,394.44/2,709,641.21
  6. Step 6: Final answer
    x = 1,368,561.35

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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.