Finding the Fourth Proportional to 2,149,032.16, 2,965,671.21 and 1,182,235.96
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Solution
The fourth proportional to 2,149,032.16, 2,965,671.21 and 1,182,235.96 is: 1,631,489.38
Step by Step Solution
- Step 1: Write the proportion equation
2,149,032.16 : 2,965,671.21 = 1,182,235.96 : x - Step 2: Convert to fraction form
2,149,032.16/2,965,671.21 = 1,182,235.96/x - Step 3: Cross multiply
2,149,032.16x = 2,965,671.21 × 1,182,235.96 - Step 4: Simplify right side
2,149,032.16x = 3,506,123,149,998.71 - Step 5: Solve for x
x = 3,506,123,149,998.71/2,149,032.16 - Step 6: Final answer
x = 1,631,489.38
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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.