Finding the Fourth Proportional to 1,479,121.35, 2,218,688.40 and 468,248.18
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Solution
The fourth proportional to 1,479,121.35, 2,218,688.40 and 468,248.18 is: 702,374.29
Step by Step Solution
- Step 1: Write the proportion equation
1,479,121.35 : 2,218,688.40 = 468,248.18 : x - Step 2: Convert to fraction form
1,479,121.35/2,218,688.40 = 468,248.18/x - Step 3: Cross multiply
1,479,121.35x = 2,218,688.40 × 468,248.18 - Step 4: Simplify right side
1,479,121.35x = 1,038,896,805,287.11 - Step 5: Solve for x
x = 1,038,896,805,287.11/1,479,121.35 - Step 6: Final answer
x = 702,374.29
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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.