Finding the Fourth Proportional to 1,607,683.80, 2,218,546.25 and 909,949.65
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Solution
The fourth proportional to 1,607,683.80, 2,218,546.25 and 909,949.65 is: 1,255,698.02
Step by Step Solution
- Step 1: Write the proportion equation
1,607,683.80 : 2,218,546.25 = 909,949.65 : x - Step 2: Convert to fraction form
1,607,683.80/2,218,546.25 = 909,949.65/x - Step 3: Cross multiply
1,607,683.80x = 2,218,546.25 × 909,949.65 - Step 4: Simplify right side
1,607,683.80x = 2,018,765,374,239.33 - Step 5: Solve for x
x = 2,018,765,374,239.33/1,607,683.80 - Step 6: Final answer
x = 1,255,698.02
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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.