Finding the Fourth Proportional to 4,818,587.52, 6,649,859.36 and 2,884,473.96
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Solution
The fourth proportional to 4,818,587.52, 6,649,859.36 and 2,884,473.96 is: 3,980,698.93
Step by Step Solution
- Step 1: Write the proportion equation
4,818,587.52 : 6,649,859.36 = 2,884,473.96 : x - Step 2: Convert to fraction form
4,818,587.52/6,649,859.36 = 2,884,473.96/x - Step 3: Cross multiply
4,818,587.52x = 6,649,859.36 × 2,884,473.96 - Step 4: Simplify right side
4,818,587.52x = 19,181,346,161,582.27 - Step 5: Solve for x
x = 19,181,346,161,582.27/4,818,587.52 - Step 6: Final answer
x = 3,980,698.93
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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.