Finding the Fourth Proportional to 5,423,132.77, 7,484,396.69 and 2,976,216.05
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Solution
The fourth proportional to 5,423,132.77, 7,484,396.69 and 2,976,216.05 is: 4,107,437.99
Step by Step Solution
- Step 1: Write the proportion equation
5,423,132.77 : 7,484,396.69 = 2,976,216.05 : x - Step 2: Convert to fraction form
5,423,132.77/7,484,396.69 = 2,976,216.05/x - Step 3: Cross multiply
5,423,132.77x = 7,484,396.69 × 2,976,216.05 - Step 4: Simplify right side
5,423,132.77x = 22,275,181,553,344.88 - Step 5: Solve for x
x = 22,275,181,553,344.88/5,423,132.77 - Step 6: Final answer
x = 4,107,437.99
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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.