Finding the Fourth Proportional to 5,390,784.44, 7,439,226.04 and 2,943,387.92
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Solution
The fourth proportional to 5,390,784.44, 7,439,226.04 and 2,943,387.92 is: 4,061,844.49
Step by Step Solution
- Step 1: Write the proportion equation
5,390,784.44 : 7,439,226.04 = 2,943,387.92 : x - Step 2: Convert to fraction form
5,390,784.44/7,439,226.04 = 2,943,387.92/x - Step 3: Cross multiply
5,390,784.44x = 7,439,226.04 × 2,943,387.92 - Step 4: Simplify right side
5,390,784.44x = 21,896,528,060,285.44 - Step 5: Solve for x
x = 21,896,528,060,285.44/5,390,784.44 - Step 6: Final answer
x = 4,061,844.49
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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.