Finding the Fourth Proportional to 1,687,940.78, 2,531,821.84 and 473,601.96
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Solution
The fourth proportional to 1,687,940.78, 2,531,821.84 and 473,601.96 is: 710,377.88
Step by Step Solution
- Step 1: Write the proportion equation
1,687,940.78 : 2,531,821.84 = 473,601.96 : x - Step 2: Convert to fraction form
1,687,940.78/2,531,821.84 = 473,601.96/x - Step 3: Cross multiply
1,687,940.78x = 2,531,821.84 × 473,601.96 - Step 4: Simplify right side
1,687,940.78x = 1,199,075,785,794.81 - Step 5: Solve for x
x = 1,199,075,785,794.81/1,687,940.78 - Step 6: Final answer
x = 710,377.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.