Finding the Fourth Proportional to 2,223,656.93, 3,068,649.19 and 1,205,061.68
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Solution
The fourth proportional to 2,223,656.93, 3,068,649.19 and 1,205,061.68 is: 1,662,986.54
Step by Step Solution
- Step 1: Write the proportion equation
2,223,656.93 : 3,068,649.19 = 1,205,061.68 : x - Step 2: Convert to fraction form
2,223,656.93/3,068,649.19 = 1,205,061.68/x - Step 3: Cross multiply
2,223,656.93x = 3,068,649.19 × 1,205,061.68 - Step 4: Simplify right side
2,223,656.93x = 3,697,911,557,409.99 - Step 5: Solve for x
x = 3,697,911,557,409.99/2,223,656.93 - Step 6: Final answer
x = 1,662,986.54
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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.