Finding the Fourth Proportional to 2,852,913.67, 4,272,271.92 and 1,995,973.26
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Solution
The fourth proportional to 2,852,913.67, 4,272,271.92 and 1,995,973.26 is: 2,988,993.53
Step by Step Solution
- Step 1: Write the proportion equation
2,852,913.67 : 4,272,271.92 = 1,995,973.26 : x - Step 2: Convert to fraction form
2,852,913.67/4,272,271.92 = 1,995,973.26/x - Step 3: Cross multiply
2,852,913.67x = 4,272,271.92 × 1,995,973.26 - Step 4: Simplify right side
2,852,913.67x = 8,527,340,511,768.86 - Step 5: Solve for x
x = 8,527,340,511,768.86/2,852,913.67 - Step 6: Final answer
x = 2,988,993.53
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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.