Finding the Fourth Proportional to 4,900,657.80, 7,350,986.70 and 4,680,208.20
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Solution
The fourth proportional to 4,900,657.80, 7,350,986.70 and 4,680,208.20 is: 7,020,312.30
Step by Step Solution
- Step 1: Write the proportion equation
4,900,657.80 : 7,350,986.70 = 4,680,208.20 : x - Step 2: Convert to fraction form
4,900,657.80/7,350,986.70 = 4,680,208.20/x - Step 3: Cross multiply
4,900,657.80x = 7,350,986.70 × 4,680,208.20 - Step 4: Simplify right side
4,900,657.80x = 34,404,148,231,430.94 - Step 5: Solve for x
x = 34,404,148,231,430.94/4,900,657.80 - Step 6: Final answer
x = 7,020,312.30
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1.5x scale
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.