Finding the Fourth Proportional to 4,248,355.80, 6,371,648.10 and 1,553,950.20
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Solution
The fourth proportional to 4,248,355.80, 6,371,648.10 and 1,553,950.20 is: 2,330,601.37
Step by Step Solution
- Step 1: Write the proportion equation
4,248,355.80 : 6,371,648.10 = 1,553,950.20 : x - Step 2: Convert to fraction form
4,248,355.80/6,371,648.10 = 1,553,950.20/x - Step 3: Cross multiply
4,248,355.80x = 6,371,648.10 × 1,553,950.20 - Step 4: Simplify right side
4,248,355.80x = 9,901,223,839,324.62 - Step 5: Solve for x
x = 9,901,223,839,324.62/4,248,355.80 - Step 6: Final answer
x = 2,330,601.37
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1.5x scale
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.