Finding the Fourth Proportional to 2,232,282.66, 3,080,655.36 and 1,265,431.74
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Solution
The fourth proportional to 2,232,282.66, 3,080,655.36 and 1,265,431.74 is: 1,746,355.49
Step by Step Solution
- Step 1: Write the proportion equation
2,232,282.66 : 3,080,655.36 = 1,265,431.74 : x - Step 2: Convert to fraction form
2,232,282.66/3,080,655.36 = 1,265,431.74/x - Step 3: Cross multiply
2,232,282.66x = 3,080,655.36 × 1,265,431.74 - Step 4: Simplify right side
2,232,282.66x = 3,898,359,072,545.13 - Step 5: Solve for x
x = 3,898,359,072,545.13/2,232,282.66 - Step 6: Final answer
x = 1,746,355.49
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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.