Finding the Fourth Proportional to 1,804,726.95, 2,490,480.20 and 988,891.20
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Solution
The fourth proportional to 1,804,726.95, 2,490,480.20 and 988,891.20 is: 1,364,646.30
Step by Step Solution
- Step 1: Write the proportion equation
1,804,726.95 : 2,490,480.20 = 988,891.20 : x - Step 2: Convert to fraction form
1,804,726.95/2,490,480.20 = 988,891.20/x - Step 3: Cross multiply
1,804,726.95x = 2,490,480.20 × 988,891.20 - Step 4: Simplify right side
1,804,726.95x = 2,462,813,948,609.78 - Step 5: Solve for x
x = 2,462,813,948,609.78/1,804,726.95 - Step 6: Final answer
x = 1,364,646.30
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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.