Finding the Fourth Proportional to 4,149,253.40, 6,228,545.70 and 3,206,802.20
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Solution
The fourth proportional to 4,149,253.40, 6,228,545.70 and 3,206,802.20 is: 4,813,809.17
Step by Step Solution
- Step 1: Write the proportion equation
4,149,253.40 : 6,228,545.70 = 3,206,802.20 : x - Step 2: Convert to fraction form
4,149,253.40/6,228,545.70 = 3,206,802.20/x - Step 3: Cross multiply
4,149,253.40x = 6,228,545.70 × 3,206,802.20 - Step 4: Simplify right side
4,149,253.40x = 19,973,714,053,560.54 - Step 5: Solve for x
x = 19,973,714,053,560.54/4,149,253.40 - Step 6: Final answer
x = 4,813,809.17
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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.