Finding the Fourth Proportional to 1,577,543.84, 2,177,010.60 and 898,543.52
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Solution
The fourth proportional to 1,577,543.84, 2,177,010.60 and 898,543.52 is: 1,239,990.12
Step by Step Solution
- Step 1: Write the proportion equation
1,577,543.84 : 2,177,010.60 = 898,543.52 : x - Step 2: Convert to fraction form
1,577,543.84/2,177,010.60 = 898,543.52/x - Step 3: Cross multiply
1,577,543.84x = 2,177,010.60 × 898,543.52 - Step 4: Simplify right side
1,577,543.84x = 1,956,138,767,601.31 - Step 5: Solve for x
x = 1,956,138,767,601.31/1,577,543.84 - Step 6: Final answer
x = 1,239,990.12
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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.