Finding the Fourth Proportional to 4,170,663.90, 6,248,122.65 and 2,142,002.70
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Solution
The fourth proportional to 4,170,663.90, 6,248,122.65 and 2,142,002.70 is: 3,208,960.47
Step by Step Solution
- Step 1: Write the proportion equation
4,170,663.90 : 6,248,122.65 = 2,142,002.70 : x - Step 2: Convert to fraction form
4,170,663.90/6,248,122.65 = 2,142,002.70/x - Step 3: Cross multiply
4,170,663.90x = 6,248,122.65 × 2,142,002.70 - Step 4: Simplify right side
4,170,663.90x = 13,383,495,586,231.16 - Step 5: Solve for x
x = 13,383,495,586,231.16/4,170,663.90 - Step 6: Final answer
x = 3,208,960.47
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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.