Finding the Fourth Proportional to 1,522,412.53, 2,101,153.10 and 877,706.80
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Solution
The fourth proportional to 1,522,412.53, 2,101,153.10 and 877,706.80 is: 1,211,364.41
Step by Step Solution
- Step 1: Write the proportion equation
1,522,412.53 : 2,101,153.10 = 877,706.80 : x - Step 2: Convert to fraction form
1,522,412.53/2,101,153.10 = 877,706.80/x - Step 3: Cross multiply
1,522,412.53x = 2,101,153.10 × 877,706.80 - Step 4: Simplify right side
1,522,412.53x = 1,844,196,348,816.78 - Step 5: Solve for x
x = 1,844,196,348,816.78/1,522,412.53 - Step 6: Final answer
x = 1,211,364.41
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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.