Finding the Fourth Proportional to 1,663,917.15, 2,296,205.84 and 899,970.75
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Solution
The fourth proportional to 1,663,917.15, 2,296,205.84 and 899,970.75 is: 1,241,959.73
Step by Step Solution
- Step 1: Write the proportion equation
1,663,917.15 : 2,296,205.84 = 899,970.75 : x - Step 2: Convert to fraction form
1,663,917.15/2,296,205.84 = 899,970.75/x - Step 3: Cross multiply
1,663,917.15x = 2,296,205.84 × 899,970.75 - Step 4: Simplify right side
1,663,917.15x = 2,066,518,087,479.33 - Step 5: Solve for x
x = 2,066,518,087,479.33/1,663,917.15 - Step 6: Final answer
x = 1,241,959.73
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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.