Finding the Fourth Proportional to 1,778,815.02, 2,454,747.09 and 962,997.12
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Solution
The fourth proportional to 1,778,815.02, 2,454,747.09 and 962,997.12 is: 1,328,926.48
Step by Step Solution
- Step 1: Write the proportion equation
1,778,815.02 : 2,454,747.09 = 962,997.12 : x - Step 2: Convert to fraction form
1,778,815.02/2,454,747.09 = 962,997.12/x - Step 3: Cross multiply
1,778,815.02x = 2,454,747.09 × 962,997.12 - Step 4: Simplify right side
1,778,815.02x = 2,363,914,377,998.38 - Step 5: Solve for x
x = 2,363,914,377,998.38/1,778,815.02 - Step 6: Final answer
x = 1,328,926.48
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.