Finding the Fourth Proportional to 3,221,651.14, 4,445,614.74 and 1,896,865.36
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Solution
The fourth proportional to 3,221,651.14, 4,445,614.74 and 1,896,865.36 is: 2,617,518.86
Step by Step Solution
- Step 1: Write the proportion equation
3,221,651.14 : 4,445,614.74 = 1,896,865.36 : x - Step 2: Convert to fraction form
3,221,651.14/4,445,614.74 = 1,896,865.36/x - Step 3: Cross multiply
3,221,651.14x = 4,445,614.74 × 1,896,865.36 - Step 4: Simplify right side
3,221,651.14x = 8,432,732,604,211.41 - Step 5: Solve for x
x = 8,432,732,604,211.41/3,221,651.14 - Step 6: Final answer
x = 2,617,518.86
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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.