Finding the Fourth Proportional to 4,550,424.61, 6,825,655.61 and 1,138,701.91
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Solution
The fourth proportional to 4,550,424.61, 6,825,655.61 and 1,138,701.91 is: 1,708,057.54
Step by Step Solution
- Step 1: Write the proportion equation
4,550,424.61 : 6,825,655.61 = 1,138,701.91 : x - Step 2: Convert to fraction form
4,550,424.61/6,825,655.61 = 1,138,701.91/x - Step 3: Cross multiply
4,550,424.61x = 6,825,655.61 × 1,138,701.91 - Step 4: Simplify right side
4,550,424.61x = 7,772,387,080,109.22 - Step 5: Solve for x
x = 7,772,387,080,109.22/4,550,424.61 - Step 6: Final answer
x = 1,708,057.54
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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.