Finding the Fourth Proportional to 2,207,858.19, 3,046,930.68 and 1,240,985.49
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Solution
The fourth proportional to 2,207,858.19, 3,046,930.68 and 1,240,985.49 is: 1,712,608.53
Step by Step Solution
- Step 1: Write the proportion equation
2,207,858.19 : 3,046,930.68 = 1,240,985.49 : x - Step 2: Convert to fraction form
2,207,858.19/3,046,930.68 = 1,240,985.49/x - Step 3: Cross multiply
2,207,858.19x = 3,046,930.68 × 1,240,985.49 - Step 4: Simplify right side
2,207,858.19x = 3,781,196,762,915.83 - Step 5: Solve for x
x = 3,781,196,762,915.83/2,207,858.19 - Step 6: Final answer
x = 1,712,608.53
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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.