Finding the Fourth Proportional to 1,637,268.53, 2,259,431.84 and 912,117.95
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Solution
The fourth proportional to 1,637,268.53, 2,259,431.84 and 912,117.95 is: 1,258,723.48
Step by Step Solution
- Step 1: Write the proportion equation
1,637,268.53 : 2,259,431.84 = 912,117.95 : x - Step 2: Convert to fraction form
1,637,268.53/2,259,431.84 = 912,117.95/x - Step 3: Cross multiply
1,637,268.53x = 2,259,431.84 × 912,117.95 - Step 4: Simplify right side
1,637,268.53x = 2,060,868,338,065.53 - Step 5: Solve for x
x = 2,060,868,338,065.53/1,637,268.53 - Step 6: Final answer
x = 1,258,723.48
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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.