Finding the Fourth Proportional to 1,781,612.93, 2,458,595.67 and 1,007,232.08
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Solution
The fourth proportional to 1,781,612.93, 2,458,595.67 and 1,007,232.08 is: 1,389,963.20
Step by Step Solution
- Step 1: Write the proportion equation
1,781,612.93 : 2,458,595.67 = 1,007,232.08 : x - Step 2: Convert to fraction form
1,781,612.93/2,458,595.67 = 1,007,232.08/x - Step 3: Cross multiply
1,781,612.93x = 2,458,595.67 × 1,007,232.08 - Step 4: Simplify right side
1,781,612.93x = 2,476,376,414,502.99 - Step 5: Solve for x
x = 2,476,376,414,502.99/1,781,612.93 - Step 6: Final answer
x = 1,389,963.20
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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.