Finding the Fourth Proportional to 2,503,138.16, 3,454,117.08 and 1,415,356.40
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Solution
The fourth proportional to 2,503,138.16, 3,454,117.08 and 1,415,356.40 is: 1,953,071.07
Step by Step Solution
- Step 1: Write the proportion equation
2,503,138.16 : 3,454,117.08 = 1,415,356.40 : x - Step 2: Convert to fraction form
2,503,138.16/3,454,117.08 = 1,415,356.40/x - Step 3: Cross multiply
2,503,138.16x = 3,454,117.08 × 1,415,356.40 - Step 4: Simplify right side
2,503,138.16x = 4,888,806,715,527.31 - Step 5: Solve for x
x = 4,888,806,715,527.31/2,503,138.16 - Step 6: Final answer
x = 1,953,071.07
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1.5x scale
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.