Finding the Fourth Proportional to 2,746,860.12, 4,122,118.38 and 1,128,955.80
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Solution
The fourth proportional to 2,746,860.12, 4,122,118.38 and 1,128,955.80 is: 1,694,185.09
Step by Step Solution
- Step 1: Write the proportion equation
2,746,860.12 : 4,122,118.38 = 1,128,955.80 : x - Step 2: Convert to fraction form
2,746,860.12/4,122,118.38 = 1,128,955.80/x - Step 3: Cross multiply
2,746,860.12x = 4,122,118.38 × 1,128,955.80 - Step 4: Simplify right side
2,746,860.12x = 4,653,689,453,387.60 - Step 5: Solve for x
x = 4,653,689,453,387.60/2,746,860.12 - Step 6: Final answer
x = 1,694,185.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.