Finding the Fourth Proportional to 4,374,844.40, 6,562,266.60 and 2,674,233.20
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Solution
The fourth proportional to 4,374,844.40, 6,562,266.60 and 2,674,233.20 is: 4,011,349.80
Step by Step Solution
- Step 1: Write the proportion equation
4,374,844.40 : 6,562,266.60 = 2,674,233.20 : x - Step 2: Convert to fraction form
4,374,844.40/6,562,266.60 = 2,674,233.20/x - Step 3: Cross multiply
4,374,844.40x = 6,562,266.60 × 2,674,233.20 - Step 4: Simplify right side
4,374,844.40x = 17,549,031,208,971.12 - Step 5: Solve for x
x = 17,549,031,208,971.12/4,374,844.40 - Step 6: Final answer
x = 4,011,349.80
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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.