Finding the Fourth Proportional to 3,827,776.67, 5,282,328.90 and 2,108,897.19
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Solution
The fourth proportional to 3,827,776.67, 5,282,328.90 and 2,108,897.19 is: 2,910,276.53
Step by Step Solution
- Step 1: Write the proportion equation
3,827,776.67 : 5,282,328.90 = 2,108,897.19 : x - Step 2: Convert to fraction form
3,827,776.67/5,282,328.90 = 2,108,897.19/x - Step 3: Cross multiply
3,827,776.67x = 5,282,328.90 × 2,108,897.19 - Step 4: Simplify right side
3,827,776.67x = 11,139,888,573,865.79 - Step 5: Solve for x
x = 11,139,888,573,865.79/3,827,776.67 - Step 6: Final answer
x = 2,910,276.53
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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.