Finding the Fourth Proportional to 5,104,694.11, 7,044,478.53 and 2,781,587
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Solution
The fourth proportional to 5,104,694.11, 7,044,478.53 and 2,781,587 is: 3,838,590.42
Step by Step Solution
- Step 1: Write the proportion equation
5,104,694.11 : 7,044,478.53 = 2,781,587 : x - Step 2: Convert to fraction form
5,104,694.11/7,044,478.53 = 2,781,587/x - Step 3: Cross multiply
5,104,694.11x = 7,044,478.53 × 2,781,587 - Step 4: Simplify right side
5,104,694.11x = 19,594,829,900,827.11 - Step 5: Solve for x
x = 19,594,829,900,827.11/5,104,694.11 - Step 6: Final answer
x = 3,838,590.42
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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.