Finding the Fourth Proportional to 1,805,726.08, 2,491,886.07 and 989,914.93
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Solution
The fourth proportional to 1,805,726.08, 2,491,886.07 and 989,914.93 is: 1,366,073.88
Step by Step Solution
- Step 1: Write the proportion equation
1,805,726.08 : 2,491,886.07 = 989,914.93 : x - Step 2: Convert to fraction form
1,805,726.08/2,491,886.07 = 989,914.93/x - Step 3: Cross multiply
1,805,726.08x = 2,491,886.07 × 989,914.93 - Step 4: Simplify right side
1,805,726.08x = 2,466,755,224,552.03 - Step 5: Solve for x
x = 2,466,755,224,552.03/1,805,726.08 - Step 6: Final answer
x = 1,366,073.88
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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.