Finding the Fourth Proportional to 4,139,965.44, 6,209,946.33 and 1,107,252.54
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Solution
The fourth proportional to 4,139,965.44, 6,209,946.33 and 1,107,252.54 is: 1,660,878.32
Step by Step Solution
- Step 1: Write the proportion equation
4,139,965.44 : 6,209,946.33 = 1,107,252.54 : x - Step 2: Convert to fraction form
4,139,965.44/6,209,946.33 = 1,107,252.54/x - Step 3: Cross multiply
4,139,965.44x = 6,209,946.33 × 1,107,252.54 - Step 4: Simplify right side
4,139,965.44x = 6,875,978,847,156.18 - Step 5: Solve for x
x = 6,875,978,847,156.18/4,139,965.44 - Step 6: Final answer
x = 1,660,878.32
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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.