Finding the Fourth Proportional to 2,930,683.21, 4,390,710.34 and 2,866,910.29
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Solution
The fourth proportional to 2,930,683.21, 4,390,710.34 and 2,866,910.29 is: 4,295,166.60
Step by Step Solution
- Step 1: Write the proportion equation
2,930,683.21 : 4,390,710.34 = 2,866,910.29 : x - Step 2: Convert to fraction form
2,930,683.21/4,390,710.34 = 2,866,910.29/x - Step 3: Cross multiply
2,930,683.21x = 4,390,710.34 × 2,866,910.29 - Step 4: Simplify right side
2,930,683.21x = 12,587,772,646,988.12 - Step 5: Solve for x
x = 12,587,772,646,988.12/2,930,683.21 - Step 6: Final answer
x = 4,295,166.60
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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.