Finding the Fourth Proportional to 5,142,670.08, 7,714,251.15 and 4,242,442.56
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Solution
The fourth proportional to 5,142,670.08, 7,714,251.15 and 4,242,442.56 is: 6,363,866.80
Step by Step Solution
- Step 1: Write the proportion equation
5,142,670.08 : 7,714,251.15 = 4,242,442.56 : x - Step 2: Convert to fraction form
5,142,670.08/7,714,251.15 = 4,242,442.56/x - Step 3: Cross multiply
5,142,670.08x = 7,714,251.15 × 4,242,442.56 - Step 4: Simplify right side
5,142,670.08x = 32,727,267,397,288.94 - Step 5: Solve for x
x = 32,727,267,397,288.94/5,142,670.08 - Step 6: Final answer
x = 6,363,866.80
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1.5x scale
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.