Finding the Fourth Proportional to 1,778,685.15, 2,454,584.99 and 962,888.22
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Solution
The fourth proportional to 1,778,685.15, 2,454,584.99 and 962,888.22 is: 1,328,785.46
Step by Step Solution
- Step 1: Write the proportion equation
1,778,685.15 : 2,454,584.99 = 962,888.22 : x - Step 2: Convert to fraction form
1,778,685.15/2,454,584.99 = 962,888.22/x - Step 3: Cross multiply
1,778,685.15x = 2,454,584.99 × 962,888.22 - Step 4: Simplify right side
1,778,685.15x = 2,363,490,967,045.38 - Step 5: Solve for x
x = 2,363,490,967,045.38/1,778,685.15 - Step 6: Final answer
x = 1,328,785.46
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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.