Finding the Fourth Proportional to 5,708,846.68, 7,878,203.80 and 3,095,437.36
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Solution
The fourth proportional to 5,708,846.68, 7,878,203.80 and 3,095,437.36 is: 4,271,701.05
Step by Step Solution
- Step 1: Write the proportion equation
5,708,846.68 : 7,878,203.80 = 3,095,437.36 : x - Step 2: Convert to fraction form
5,708,846.68/7,878,203.80 = 3,095,437.36/x - Step 3: Cross multiply
5,708,846.68x = 7,878,203.80 × 3,095,437.36 - Step 4: Simplify right side
5,708,846.68x = 24,386,486,372,213.96 - Step 5: Solve for x
x = 24,386,486,372,213.96/5,708,846.68 - Step 6: Final answer
x = 4,271,701.05
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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.