Finding the Fourth Proportional to 1,628,480.68, 2,247,339.36 and 903,304.78
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Solution
The fourth proportional to 1,628,480.68, 2,247,339.36 and 903,304.78 is: 1,246,580.58
Step by Step Solution
- Step 1: Write the proportion equation
1,628,480.68 : 2,247,339.36 = 903,304.78 : x - Step 2: Convert to fraction form
1,628,480.68/2,247,339.36 = 903,304.78/x - Step 3: Cross multiply
1,628,480.68x = 2,247,339.36 × 903,304.78 - Step 4: Simplify right side
1,628,480.68x = 2,030,032,386,170.14 - Step 5: Solve for x
x = 2,030,032,386,170.14/1,628,480.68 - Step 6: Final answer
x = 1,246,580.58
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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.