Finding the Fourth Proportional to 4,518,332.16, 6,233,758.58 and 2,887,680.18
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Solution
The fourth proportional to 4,518,332.16, 6,233,758.58 and 2,887,680.18 is: 3,984,014.55
Step by Step Solution
- Step 1: Write the proportion equation
4,518,332.16 : 6,233,758.58 = 2,887,680.18 : x - Step 2: Convert to fraction form
4,518,332.16/6,233,758.58 = 2,887,680.18/x - Step 3: Cross multiply
4,518,332.16x = 6,233,758.58 × 2,887,680.18 - Step 4: Simplify right side
4,518,332.16x = 18,001,101,083,932.55 - Step 5: Solve for x
x = 18,001,101,083,932.55/4,518,332.16 - Step 6: Final answer
x = 3,984,014.55
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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.