Finding the Fourth Proportional to 3,219,653.12, 4,830,176.64 and 975,960.32
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Solution
The fourth proportional to 3,219,653.12, 4,830,176.64 and 975,960.32 is: 1,464,151.75
Step by Step Solution
- Step 1: Write the proportion equation
3,219,653.12 : 4,830,176.64 = 975,960.32 : x - Step 2: Convert to fraction form
3,219,653.12/4,830,176.64 = 975,960.32/x - Step 3: Cross multiply
3,219,653.12x = 4,830,176.64 × 975,960.32 - Step 4: Simplify right side
3,219,653.12x = 4,714,060,739,230.92 - Step 5: Solve for x
x = 4,714,060,739,230.92/3,219,653.12 - Step 6: Final answer
x = 1,464,151.75
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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.