Finding the Fourth Proportional to 1,778,917.54, 2,454,902.64 and 963,121.08
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Solution
The fourth proportional to 1,778,917.54, 2,454,902.64 and 963,121.08 is: 1,329,105.16
Step by Step Solution
- Step 1: Write the proportion equation
1,778,917.54 : 2,454,902.64 = 963,121.08 : x - Step 2: Convert to fraction form
1,778,917.54/2,454,902.64 = 963,121.08/x - Step 3: Cross multiply
1,778,917.54x = 2,454,902.64 × 963,121.08 - Step 4: Simplify right side
1,778,917.54x = 2,364,368,481,931.65 - Step 5: Solve for x
x = 2,364,368,481,931.65/1,778,917.54 - Step 6: Final answer
x = 1,329,105.16
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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.