Finding the Fourth Proportional to 4,242,186.56, 6,363,339.09 and 1,209,553.62
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Solution
The fourth proportional to 4,242,186.56, 6,363,339.09 and 1,209,553.62 is: 1,814,347.32
Step by Step Solution
- Step 1: Write the proportion equation
4,242,186.56 : 6,363,339.09 = 1,209,553.62 : x - Step 2: Convert to fraction form
4,242,186.56/6,363,339.09 = 1,209,553.62/x - Step 3: Cross multiply
4,242,186.56x = 6,363,339.09 × 1,209,553.62 - Step 4: Simplify right side
4,242,186.56x = 7,696,799,831,597.01 - Step 5: Solve for x
x = 7,696,799,831,597.01/4,242,186.56 - Step 6: Final answer
x = 1,814,347.32
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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.