Finding the Fourth Proportional to 4,919,210.07, 6,788,521.91 and 2,743,894.13
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Solution
The fourth proportional to 4,919,210.07, 6,788,521.91 and 2,743,894.13 is: 3,786,580.59
Step by Step Solution
- Step 1: Write the proportion equation
4,919,210.07 : 6,788,521.91 = 2,743,894.13 : x - Step 2: Convert to fraction form
4,919,210.07/6,788,521.91 = 2,743,894.13/x - Step 3: Cross multiply
4,919,210.07x = 6,788,521.91 × 2,743,894.13 - Step 4: Simplify right side
4,919,210.07x = 18,626,985,372,563.31 - Step 5: Solve for x
x = 18,626,985,372,563.31/4,919,210.07 - Step 6: Final answer
x = 3,786,580.59
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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.