Finding the Fourth Proportional to 4,926,930.80, 6,799,738.14 and 4,098,541.02
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Solution
The fourth proportional to 4,926,930.80, 6,799,738.14 and 4,098,541.02 is: 5,656,463.80
Step by Step Solution
- Step 1: Write the proportion equation
4,926,930.80 : 6,799,738.14 = 4,098,541.02 : x - Step 2: Convert to fraction form
4,926,930.80/6,799,738.14 = 4,098,541.02/x - Step 3: Cross multiply
4,926,930.80x = 6,799,738.14 × 4,098,541.02 - Step 4: Simplify right side
4,926,930.80x = 27,869,005,692,048.50 - Step 5: Solve for x
x = 27,869,005,692,048.50/4,926,930.80 - Step 6: Final answer
x = 5,656,463.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.