Finding the Fourth Proportional to 5,012,271.84, 6,890,343.35 and 4,311,997.17
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Solution
The fourth proportional to 5,012,271.84, 6,890,343.35 and 4,311,997.17 is: 5,927,679.50
Step by Step Solution
- Step 1: Write the proportion equation
5,012,271.84 : 6,890,343.35 = 4,311,997.17 : x - Step 2: Convert to fraction form
5,012,271.84/6,890,343.35 = 4,311,997.17/x - Step 3: Cross multiply
5,012,271.84x = 6,890,343.35 × 4,311,997.17 - Step 4: Simplify right side
5,012,271.84x = 29,711,141,025,528.32 - Step 5: Solve for x
x = 29,711,141,025,528.32/5,012,271.84 - Step 6: Final answer
x = 5,927,679.50
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.