Finding the Fourth Proportional to 4,018,223.28, 5,545,248.12 and 2,182,680.99
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Solution
The fourth proportional to 4,018,223.28, 5,545,248.12 and 2,182,680.99 is: 3,012,154.08
Step by Step Solution
- Step 1: Write the proportion equation
4,018,223.28 : 5,545,248.12 = 2,182,680.99 : x - Step 2: Convert to fraction form
4,018,223.28/5,545,248.12 = 2,182,680.99/x - Step 3: Cross multiply
4,018,223.28x = 5,545,248.12 × 2,182,680.99 - Step 4: Simplify right side
4,018,223.28x = 12,103,507,656,357.24 - Step 5: Solve for x
x = 12,103,507,656,357.24/4,018,223.28 - Step 6: Final answer
x = 3,012,154.08
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1.5x scale
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.