Finding the Fourth Proportional to 1,623,618.72, 2,240,560.29 and 898,465.95
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Solution
The fourth proportional to 1,623,618.72, 2,240,560.29 and 898,465.95 is: 1,239,864.45
Step by Step Solution
- Step 1: Write the proportion equation
1,623,618.72 : 2,240,560.29 = 898,465.95 : x - Step 2: Convert to fraction form
1,623,618.72/2,240,560.29 = 898,465.95/x - Step 3: Cross multiply
1,623,618.72x = 2,240,560.29 × 898,465.95 - Step 4: Simplify right side
1,623,618.72x = 2,013,067,129,487.13 - Step 5: Solve for x
x = 2,013,067,129,487.13/1,623,618.72 - Step 6: Final answer
x = 1,239,864.45
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.