Finding the Fourth Proportional to 5,264,374.40, 7,264,839.36 and 2,849,926.40
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Solution
The fourth proportional to 5,264,374.40, 7,264,839.36 and 2,849,926.40 is: 3,932,899.89
Step by Step Solution
- Step 1: Write the proportion equation
5,264,374.40 : 7,264,839.36 = 2,849,926.40 : x - Step 2: Convert to fraction form
5,264,374.40/7,264,839.36 = 2,849,926.40/x - Step 3: Cross multiply
5,264,374.40x = 7,264,839.36 × 2,849,926.40 - Step 4: Simplify right side
5,264,374.40x = 20,704,257,483,823.11 - Step 5: Solve for x
x = 20,704,257,483,823.11/5,264,374.40 - Step 6: Final answer
x = 3,932,899.89
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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.