Finding the Fourth Proportional to 3,866,703.58, 5,336,135.50 and 2,124,395.40
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Solution
The fourth proportional to 3,866,703.58, 5,336,135.50 and 2,124,395.40 is: 2,931,712.11
Step by Step Solution
- Step 1: Write the proportion equation
3,866,703.58 : 5,336,135.50 = 2,124,395.40 : x - Step 2: Convert to fraction form
3,866,703.58/5,336,135.50 = 2,124,395.40/x - Step 3: Cross multiply
3,866,703.58x = 5,336,135.50 × 2,124,395.40 - Step 4: Simplify right side
3,866,703.58x = 11,336,061,709,976.70 - Step 5: Solve for x
x = 11,336,061,709,976.70/3,866,703.58 - Step 6: Final answer
x = 2,931,712.11
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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.