Finding the Fourth Proportional to 1,628,920.72, 2,247,907.98 and 903,878.92
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Solution
The fourth proportional to 1,628,920.72, 2,247,907.98 and 903,878.92 is: 1,247,351.46
Step by Step Solution
- Step 1: Write the proportion equation
1,628,920.72 : 2,247,907.98 = 903,878.92 : x - Step 2: Convert to fraction form
1,628,920.72/2,247,907.98 = 903,878.92/x - Step 3: Cross multiply
1,628,920.72x = 2,247,907.98 × 903,878.92 - Step 4: Simplify right side
1,628,920.72x = 2,031,836,637,221.78 - Step 5: Solve for x
x = 2,031,836,637,221.78/1,628,920.72 - Step 6: Final answer
x = 1,247,351.46
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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.