Finding the Fourth Proportional to 5,411,724.76, 8,117,965.91 and 2,173,261.94
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Solution
The fourth proportional to 5,411,724.76, 8,117,965.91 and 2,173,261.94 is: 3,260,045.01
Step by Step Solution
- Step 1: Write the proportion equation
5,411,724.76 : 8,117,965.91 = 2,173,261.94 : x - Step 2: Convert to fraction form
5,411,724.76/8,117,965.91 = 2,173,261.94/x - Step 3: Cross multiply
5,411,724.76x = 8,117,965.91 × 2,173,261.94 - Step 4: Simplify right side
5,411,724.76x = 17,642,466,307,263.79 - Step 5: Solve for x
x = 17,642,466,307,263.79/5,411,724.76 - Step 6: Final answer
x = 3,260,045.01
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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.