Finding the Fourth Proportional to 1,458,347.96, 2,012,621.88 and 813,778.92
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Solution
The fourth proportional to 1,458,347.96, 2,012,621.88 and 813,778.92 is: 1,123,071.66
Step by Step Solution
- Step 1: Write the proportion equation
1,458,347.96 : 2,012,621.88 = 813,778.92 : x - Step 2: Convert to fraction form
1,458,347.96/2,012,621.88 = 813,778.92/x - Step 3: Cross multiply
1,458,347.96x = 2,012,621.88 × 813,778.92 - Step 4: Simplify right side
1,458,347.96x = 1,637,829,262,926.44 - Step 5: Solve for x
x = 1,637,829,262,926.44/1,458,347.96 - Step 6: Final answer
x = 1,123,071.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.