Finding the Fourth Proportional to 3,415,323.79, 4,712,691.40 and 2,193,284.62
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Solution
The fourth proportional to 3,415,323.79, 4,712,691.40 and 2,193,284.62 is: 3,026,440.30
Step by Step Solution
- Step 1: Write the proportion equation
3,415,323.79 : 4,712,691.40 = 2,193,284.62 : x - Step 2: Convert to fraction form
3,415,323.79/4,712,691.40 = 2,193,284.62/x - Step 3: Cross multiply
3,415,323.79x = 4,712,691.40 × 2,193,284.62 - Step 4: Simplify right side
3,415,323.79x = 10,336,273,566,426.27 - Step 5: Solve for x
x = 10,336,273,566,426.27/3,415,323.79 - Step 6: Final answer
x = 3,026,440.30
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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.