Finding the Fourth Proportional to 3,420,416.01, 4,718,117.51 and 2,258,872.95
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Solution
The fourth proportional to 3,420,416.01, 4,718,117.51 and 2,258,872.95 is: 3,115,886.48
Step by Step Solution
- Step 1: Write the proportion equation
3,420,416.01 : 4,718,117.51 = 2,258,872.95 : x - Step 2: Convert to fraction form
3,420,416.01/4,718,117.51 = 2,258,872.95/x - Step 3: Cross multiply
3,420,416.01x = 4,718,117.51 × 2,258,872.95 - Step 4: Simplify right side
3,420,416.01x = 10,657,628,006,965.99 - Step 5: Solve for x
x = 10,657,628,006,965.99/3,420,416.01 - Step 6: Final answer
x = 3,115,886.48
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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.