Finding the Fourth Proportional to 5,406,837.40, 8,114,848.80 and 2,214,254.80
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Solution
The fourth proportional to 5,406,837.40, 8,114,848.80 and 2,214,254.80 is: 3,323,263.04
Step by Step Solution
- Step 1: Write the proportion equation
5,406,837.40 : 8,114,848.80 = 2,214,254.80 : x - Step 2: Convert to fraction form
5,406,837.40/8,114,848.80 = 2,214,254.80/x - Step 3: Cross multiply
5,406,837.40x = 8,114,848.80 × 2,214,254.80 - Step 4: Simplify right side
5,406,837.40x = 17,968,342,906,674.24 - Step 5: Solve for x
x = 17,968,342,906,674.24/5,406,837.40 - Step 6: Final answer
x = 3,323,263.04
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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.