Finding the Fourth Proportional to 5,140,680.14, 7,094,216.18 and 2,817,554.09
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Solution
The fourth proportional to 5,140,680.14, 7,094,216.18 and 2,817,554.09 is: 3,888,267.16
Step by Step Solution
- Step 1: Write the proportion equation
5,140,680.14 : 7,094,216.18 = 2,817,554.09 : x - Step 2: Convert to fraction form
5,140,680.14/7,094,216.18 = 2,817,554.09/x - Step 3: Cross multiply
5,140,680.14x = 7,094,216.18 × 2,817,554.09 - Step 4: Simplify right side
5,140,680.14x = 19,988,337,784,875.98 - Step 5: Solve for x
x = 19,988,337,784,875.98/5,140,680.14 - Step 6: Final answer
x = 3,888,267.16
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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.