Finding the Fourth Proportional to 4,221,330.30, 6,336,661.05 and 2,625,695.10
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Solution
The fourth proportional to 4,221,330.30, 6,336,661.05 and 2,625,695.10 is: 3,941,444.68
Step by Step Solution
- Step 1: Write the proportion equation
4,221,330.30 : 6,336,661.05 = 2,625,695.10 : x - Step 2: Convert to fraction form
4,221,330.30/6,336,661.05 = 2,625,695.10/x - Step 3: Cross multiply
4,221,330.30x = 6,336,661.05 × 2,625,695.10 - Step 4: Simplify right side
4,221,330.30x = 16,638,139,869,345.86 - Step 5: Solve for x
x = 16,638,139,869,345.86/4,221,330.30 - Step 6: Final answer
x = 3,941,444.68
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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.