Finding the Fourth Proportional to 2,248,718.93, 3,103,236.20 and 1,230,123.68
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Solution
The fourth proportional to 2,248,718.93, 3,103,236.20 and 1,230,123.68 is: 1,697,572.91
Step by Step Solution
- Step 1: Write the proportion equation
2,248,718.93 : 3,103,236.20 = 1,230,123.68 : x - Step 2: Convert to fraction form
2,248,718.93/3,103,236.20 = 1,230,123.68/x - Step 3: Cross multiply
2,248,718.93x = 3,103,236.20 × 1,230,123.68 - Step 4: Simplify right side
2,248,718.93x = 3,817,364,318,737.04 - Step 5: Solve for x
x = 3,817,364,318,737.04/2,248,718.93 - Step 6: Final answer
x = 1,697,572.91
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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.