Finding the Fourth Proportional to 4,292,631.92, 6,434,151.84 and 1,860,978.08
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Solution
The fourth proportional to 4,292,631.92, 6,434,151.84 and 1,860,978.08 is: 2,789,387.90
Step by Step Solution
- Step 1: Write the proportion equation
4,292,631.92 : 6,434,151.84 = 1,860,978.08 : x - Step 2: Convert to fraction form
4,292,631.92/6,434,151.84 = 1,860,978.08/x - Step 3: Cross multiply
4,292,631.92x = 6,434,151.84 × 1,860,978.08 - Step 4: Simplify right side
4,292,631.92x = 11,973,815,537,631.67 - Step 5: Solve for x
x = 11,973,815,537,631.67/4,292,631.92 - Step 6: Final answer
x = 2,789,387.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.