Finding the Fourth Proportional to 4,356,772.80, 6,535,159.20 and 2,117,284.80
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Solution
The fourth proportional to 4,356,772.80, 6,535,159.20 and 2,117,284.80 is: 3,175,927.20
Step by Step Solution
- Step 1: Write the proportion equation
4,356,772.80 : 6,535,159.20 = 2,117,284.80 : x - Step 2: Convert to fraction form
4,356,772.80/6,535,159.20 = 2,117,284.80/x - Step 3: Cross multiply
4,356,772.80x = 6,535,159.20 × 2,117,284.80 - Step 4: Simplify right side
4,356,772.80x = 13,836,793,239,740.16 - Step 5: Solve for x
x = 13,836,793,239,740.16/4,356,772.80 - Step 6: Final answer
x = 3,175,927.20
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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.