Finding the Fourth Proportional to 1,368,698.91, 1,888,176.67 and 885,419.90
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Solution
The fourth proportional to 1,368,698.91, 1,888,176.67 and 885,419.90 is: 1,221,473.32
Step by Step Solution
- Step 1: Write the proportion equation
1,368,698.91 : 1,888,176.67 = 885,419.90 : x - Step 2: Convert to fraction form
1,368,698.91/1,888,176.67 = 885,419.90/x - Step 3: Cross multiply
1,368,698.91x = 1,888,176.67 × 885,419.90 - Step 4: Simplify right side
1,368,698.91x = 1,671,829,198,333.73 - Step 5: Solve for x
x = 1,671,829,198,333.73/1,368,698.91 - Step 6: Final answer
x = 1,221,473.32
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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.