Finding the Fourth Proportional to 4,985,512.66, 7,479,275.10 and 1,574,332.12
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Solution
The fourth proportional to 4,985,512.66, 7,479,275.10 and 1,574,332.12 is: 2,361,815.89
Step by Step Solution
- Step 1: Write the proportion equation
4,985,512.66 : 7,479,275.10 = 1,574,332.12 : x - Step 2: Convert to fraction form
4,985,512.66/7,479,275.10 = 1,574,332.12/x - Step 3: Cross multiply
4,985,512.66x = 7,479,275.10 × 1,574,332.12 - Step 4: Simplify right side
4,985,512.66x = 11,774,863,024,246.21 - Step 5: Solve for x
x = 11,774,863,024,246.21/4,985,512.66 - Step 6: Final answer
x = 2,361,815.89
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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.