Finding the Fourth Proportional to 1,611,206.90, 2,223,421.19 and 886,054.62
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Solution
The fourth proportional to 1,611,206.90, 2,223,421.19 and 886,054.62 is: 1,222,730.99
Step by Step Solution
- Step 1: Write the proportion equation
1,611,206.90 : 2,223,421.19 = 886,054.62 : x - Step 2: Convert to fraction form
1,611,206.90/2,223,421.19 = 886,054.62/x - Step 3: Cross multiply
1,611,206.90x = 2,223,421.19 × 886,054.62 - Step 4: Simplify right side
1,611,206.90x = 1,970,072,616,090.26 - Step 5: Solve for x
x = 1,970,072,616,090.26/1,611,206.90 - Step 6: Final answer
x = 1,222,730.99
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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.