Finding the Fourth Proportional to 1,608,776.84, 2,220,138.66 and 883,691.56
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Solution
The fourth proportional to 1,608,776.84, 2,220,138.66 and 883,691.56 is: 1,219,508.98
Step by Step Solution
- Step 1: Write the proportion equation
1,608,776.84 : 2,220,138.66 = 883,691.56 : x - Step 2: Convert to fraction form
1,608,776.84/2,220,138.66 = 883,691.56/x - Step 3: Cross multiply
1,608,776.84x = 2,220,138.66 × 883,691.56 - Step 4: Simplify right side
1,608,776.84x = 1,961,917,795,871.71 - Step 5: Solve for x
x = 1,961,917,795,871.71/1,608,776.84 - Step 6: Final answer
x = 1,219,508.98
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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.