Finding the Fourth Proportional to 1,648,363.80, 2,472,545.70 and 1,382,643.30
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Solution
The fourth proportional to 1,648,363.80, 2,472,545.70 and 1,382,643.30 is: 2,073,964.95
Step by Step Solution
- Step 1: Write the proportion equation
1,648,363.80 : 2,472,545.70 = 1,382,643.30 : x - Step 2: Convert to fraction form
1,648,363.80/2,472,545.70 = 1,382,643.30/x - Step 3: Cross multiply
1,648,363.80x = 2,472,545.70 × 1,382,643.30 - Step 4: Simplify right side
1,648,363.80x = 3,418,648,746,048.81 - Step 5: Solve for x
x = 3,418,648,746,048.81/1,648,363.80 - Step 6: Final answer
x = 2,073,964.95
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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.