Finding the Fourth Proportional to 1,604,687.19, 2,214,521.88 and 879,536.78
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Solution
The fourth proportional to 1,604,687.19, 2,214,521.88 and 879,536.78 is: 1,213,790.10
Step by Step Solution
- Step 1: Write the proportion equation
1,604,687.19 : 2,214,521.88 = 879,536.78 : x - Step 2: Convert to fraction form
1,604,687.19/2,214,521.88 = 879,536.78/x - Step 3: Cross multiply
1,604,687.19x = 2,214,521.88 × 879,536.78 - Step 4: Simplify right side
1,604,687.19x = 1,947,753,432,502.14 - Step 5: Solve for x
x = 1,947,753,432,502.14/1,604,687.19 - Step 6: Final answer
x = 1,213,790.10
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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.