Finding the Fourth Proportional to 4,381,710.30, 6,572,565.45 and 4,213,748.70
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Solution
The fourth proportional to 4,381,710.30, 6,572,565.45 and 4,213,748.70 is: 6,320,623.05
Step by Step Solution
- Step 1: Write the proportion equation
4,381,710.30 : 6,572,565.45 = 4,213,748.70 : x - Step 2: Convert to fraction form
4,381,710.30/6,572,565.45 = 4,213,748.70/x - Step 3: Cross multiply
4,381,710.30x = 6,572,565.45 × 4,213,748.70 - Step 4: Simplify right side
4,381,710.30x = 27,695,139,120,602.42 - Step 5: Solve for x
x = 27,695,139,120,602.42/4,381,710.30 - Step 6: Final answer
x = 6,320,623.05
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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.