Finding the Fourth Proportional to 4,612,821.26, 6,919,892.24 and 1,418,215.68
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Solution
The fourth proportional to 4,612,821.26, 6,919,892.24 and 1,418,215.68 is: 2,127,526.55
Step by Step Solution
- Step 1: Write the proportion equation
4,612,821.26 : 6,919,892.24 = 1,418,215.68 : x - Step 2: Convert to fraction form
4,612,821.26/6,919,892.24 = 1,418,215.68/x - Step 3: Cross multiply
4,612,821.26x = 6,919,892.24 × 1,418,215.68 - Step 4: Simplify right side
4,612,821.26x = 9,813,899,671,587.24 - Step 5: Solve for x
x = 9,813,899,671,587.24/4,612,821.26 - Step 6: Final answer
x = 2,127,526.55
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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.