Finding the Fourth Proportional to 4,923,968.80, 7,369,148.40 and 4,126,151.20
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Solution
The fourth proportional to 4,923,968.80, 7,369,148.40 and 4,126,151.20 is: 6,175,144.84
Step by Step Solution
- Step 1: Write the proportion equation
4,923,968.80 : 7,369,148.40 = 4,126,151.20 : x - Step 2: Convert to fraction form
4,923,968.80/7,369,148.40 = 4,126,151.20/x - Step 3: Cross multiply
4,923,968.80x = 7,369,148.40 × 4,126,151.20 - Step 4: Simplify right side
4,923,968.80x = 30,406,220,513,638.08 - Step 5: Solve for x
x = 30,406,220,513,638.08/4,923,968.80 - Step 6: Final answer
x = 6,175,144.84
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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.