Finding the Fourth Proportional to 1,500,671.58, 2,070,843.99 and 821,476.38
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Solution
The fourth proportional to 1,500,671.58, 2,070,843.99 and 821,476.38 is: 1,133,592.08
Step by Step Solution
- Step 1: Write the proportion equation
1,500,671.58 : 2,070,843.99 = 821,476.38 : x - Step 2: Convert to fraction form
1,500,671.58/2,070,843.99 = 821,476.38/x - Step 3: Cross multiply
1,500,671.58x = 2,070,843.99 × 821,476.38 - Step 4: Simplify right side
1,500,671.58x = 1,701,149,424,449.96 - Step 5: Solve for x
x = 1,701,149,424,449.96/1,500,671.58 - Step 6: Final answer
x = 1,133,592.08
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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.