Finding the Fourth Proportional to 2,221,107.60, 3,331,864.71 and 623,659.91
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Solution
The fourth proportional to 2,221,107.60, 3,331,864.71 and 623,659.91 is: 935,546.95
Step by Step Solution
- Step 1: Write the proportion equation
2,221,107.60 : 3,331,864.71 = 623,659.91 : x - Step 2: Convert to fraction form
2,221,107.60/3,331,864.71 = 623,659.91/x - Step 3: Cross multiply
2,221,107.60x = 3,331,864.71 × 623,659.91 - Step 4: Simplify right side
2,221,107.60x = 2,077,950,428,511.45 - Step 5: Solve for x
x = 2,077,950,428,511.45/2,221,107.60 - Step 6: Final answer
x = 935,546.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.