Finding the Fourth Proportional to 7,125,811.40, 10,687,680.30 and 2,076,595.40
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Solution
The fourth proportional to 7,125,811.40, 10,687,680.30 and 2,076,595.40 is: 3,114,590.96
Step by Step Solution
- Step 1: Write the proportion equation
7,125,811.40 : 10,687,680.30 = 2,076,595.40 : x - Step 2: Convert to fraction form
7,125,811.40/10,687,680.30 = 2,076,595.40/x - Step 3: Cross multiply
7,125,811.40x = 10,687,680.30 × 2,076,595.40 - Step 4: Simplify right side
7,125,811.40x = 22,193,987,747,650.62 - Step 5: Solve for x
x = 22,193,987,747,650.62/7,125,811.40 - Step 6: Final answer
x = 3,114,590.96
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.