Finding the Fourth Proportional to 5,427,615.90, 7,490,109.98 and 2,980,226.96
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Solution
The fourth proportional to 5,427,615.90, 7,490,109.98 and 2,980,226.96 is: 4,112,713.23
Step by Step Solution
- Step 1: Write the proportion equation
5,427,615.90 : 7,490,109.98 = 2,980,226.96 : x - Step 2: Convert to fraction form
5,427,615.90/7,490,109.98 = 2,980,226.96/x - Step 3: Cross multiply
5,427,615.90x = 7,490,109.98 × 2,980,226.96 - Step 4: Simplify right side
5,427,615.90x = 22,322,227,695,761.06 - Step 5: Solve for x
x = 22,322,227,695,761.06/5,427,615.90 - Step 6: Final answer
x = 4,112,713.23
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.