Finding the Fourth Proportional to 7,125,809.40, 10,687,677.30 and 2,076,593.40
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Solution
The fourth proportional to 7,125,809.40, 10,687,677.30 and 2,076,593.40 is: 3,114,587.96
Step by Step Solution
- Step 1: Write the proportion equation
7,125,809.40 : 10,687,677.30 = 2,076,593.40 : x - Step 2: Convert to fraction form
7,125,809.40/10,687,677.30 = 2,076,593.40/x - Step 3: Cross multiply
7,125,809.40x = 10,687,677.30 × 2,076,593.40 - Step 4: Simplify right side
7,125,809.40x = 22,193,960,142,509.82 - Step 5: Solve for x
x = 22,193,960,142,509.82/7,125,809.40 - Step 6: Final answer
x = 3,114,587.96
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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.