Finding the Fourth Proportional to 1,917,648.26, 2,875,724.86 and 718,916.50
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Solution
The fourth proportional to 1,917,648.26, 2,875,724.86 and 718,916.50 is: 1,078,094.50
Step by Step Solution
- Step 1: Write the proportion equation
1,917,648.26 : 2,875,724.86 = 718,916.50 : x - Step 2: Convert to fraction form
1,917,648.26/2,875,724.86 = 718,916.50/x - Step 3: Cross multiply
1,917,648.26x = 2,875,724.86 × 718,916.50 - Step 4: Simplify right side
1,917,648.26x = 2,067,406,051,314.19 - Step 5: Solve for x
x = 2,067,406,051,314.19/1,917,648.26 - Step 6: Final answer
x = 1,078,094.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.