Finding the Fourth Proportional to 5,678,750.60, 8,518,125.90 and 5,268,177.80
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Solution
The fourth proportional to 5,678,750.60, 8,518,125.90 and 5,268,177.80 is: 7,902,266.70
Step by Step Solution
- Step 1: Write the proportion equation
5,678,750.60 : 8,518,125.90 = 5,268,177.80 : x - Step 2: Convert to fraction form
5,678,750.60/8,518,125.90 = 5,268,177.80/x - Step 3: Cross multiply
5,678,750.60x = 8,518,125.90 × 5,268,177.80 - Step 4: Simplify right side
5,678,750.60x = 44,875,001,763,985.02 - Step 5: Solve for x
x = 44,875,001,763,985.02/5,678,750.60 - Step 6: Final answer
x = 7,902,266.70
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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.