Finding the Fourth Proportional to 2,947,327, 4,420,990.26 and 817,411.09
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Solution
The fourth proportional to 2,947,327, 4,420,990.26 and 817,411.09 is: 1,226,116.57
Step by Step Solution
- Step 1: Write the proportion equation
2,947,327 : 4,420,990.26 = 817,411.09 : x - Step 2: Convert to fraction form
2,947,327/4,420,990.26 = 817,411.09/x - Step 3: Cross multiply
2,947,327x = 4,420,990.26 × 817,411.09 - Step 4: Simplify right side
2,947,327x = 3,613,766,467,305.98 - Step 5: Solve for x
x = 3,613,766,467,305.98/2,947,327 - Step 6: Final answer
x = 1,226,116.57
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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.