Finding the Fourth Proportional to 2,818,545.80, 4,220,820.30 and 2,258,673.80
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Solution
The fourth proportional to 2,818,545.80, 4,220,820.30 and 2,258,673.80 is: 3,382,402.45
Step by Step Solution
- Step 1: Write the proportion equation
2,818,545.80 : 4,220,820.30 = 2,258,673.80 : x - Step 2: Convert to fraction form
2,818,545.80/4,220,820.30 = 2,258,673.80/x - Step 3: Cross multiply
2,818,545.80x = 4,220,820.30 × 2,258,673.80 - Step 4: Simplify right side
2,818,545.80x = 9,533,456,226,118.14 - Step 5: Solve for x
x = 9,533,456,226,118.14/2,818,545.80 - Step 6: Final answer
x = 3,382,402.45
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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.