Finding the Fourth Proportional to 2,857,726.85, 3,943,519.09 and 1,696,223.84
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Solution
The fourth proportional to 2,857,726.85, 3,943,519.09 and 1,696,223.84 is: 2,340,703.44
Step by Step Solution
- Step 1: Write the proportion equation
2,857,726.85 : 3,943,519.09 = 1,696,223.84 : x - Step 2: Convert to fraction form
2,857,726.85/3,943,519.09 = 1,696,223.84/x - Step 3: Cross multiply
2,857,726.85x = 3,943,519.09 × 1,696,223.84 - Step 4: Simplify right side
2,857,726.85x = 6,689,091,069,994.95 - Step 5: Solve for x
x = 6,689,091,069,994.95/2,857,726.85 - Step 6: Final answer
x = 2,340,703.44
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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.