Finding the Fourth Proportional to 5,656,325.04, 7,805,892.80 and 3,078,172.08
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Solution
The fourth proportional to 5,656,325.04, 7,805,892.80 and 3,078,172.08 is: 4,247,966.85
Step by Step Solution
- Step 1: Write the proportion equation
5,656,325.04 : 7,805,892.80 = 3,078,172.08 : x - Step 2: Convert to fraction form
5,656,325.04/7,805,892.80 = 3,078,172.08/x - Step 3: Cross multiply
5,656,325.04x = 7,805,892.80 × 3,078,172.08 - Step 4: Simplify right side
5,656,325.04x = 24,027,881,276,433.02 - Step 5: Solve for x
x = 24,027,881,276,433.02/5,656,325.04 - Step 6: Final answer
x = 4,247,966.85
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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.