Finding the Fourth Proportional to 2,087,827.65, 2,881,442.03 and 1,170,305.01
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Solution
The fourth proportional to 2,087,827.65, 2,881,442.03 and 1,170,305.01 is: 1,615,155.37
Step by Step Solution
- Step 1: Write the proportion equation
2,087,827.65 : 2,881,442.03 = 1,170,305.01 : x - Step 2: Convert to fraction form
2,087,827.65/2,881,442.03 = 1,170,305.01/x - Step 3: Cross multiply
2,087,827.65x = 2,881,442.03 × 1,170,305.01 - Step 4: Simplify right side
2,087,827.65x = 3,372,166,037,882.05 - Step 5: Solve for x
x = 3,372,166,037,882.05/2,087,827.65 - Step 6: Final answer
x = 1,615,155.37
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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.