Finding the Fourth Proportional to 6,919,248.58, 10,379,863.36 and 2,127,340.15
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Solution
The fourth proportional to 6,919,248.58, 10,379,863.36 and 2,127,340.15 is: 3,191,314.75
Step by Step Solution
- Step 1: Write the proportion equation
6,919,248.58 : 10,379,863.36 = 2,127,340.15 : x - Step 2: Convert to fraction form
6,919,248.58/10,379,863.36 = 2,127,340.15/x - Step 3: Cross multiply
6,919,248.58x = 10,379,863.36 × 2,127,340.15 - Step 4: Simplify right side
6,919,248.58x = 22,081,500,077,241.90 - Step 5: Solve for x
x = 22,081,500,077,241.90/6,919,248.58 - Step 6: Final answer
x = 3,191,314.75
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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.