Finding the Fourth Proportional to 1,506,521.09, 2,079,330.15 and 990,322.67
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Solution
The fourth proportional to 1,506,521.09, 2,079,330.15 and 990,322.67 is: 1,366,862.90
Step by Step Solution
- Step 1: Write the proportion equation
1,506,521.09 : 2,079,330.15 = 990,322.67 : x - Step 2: Convert to fraction form
1,506,521.09/2,079,330.15 = 990,322.67/x - Step 3: Cross multiply
1,506,521.09x = 2,079,330.15 × 990,322.67 - Step 4: Simplify right side
1,506,521.09x = 2,059,207,775,562.85 - Step 5: Solve for x
x = 2,059,207,775,562.85/1,506,521.09 - Step 6: Final answer
x = 1,366,862.90
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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.