Finding the Fourth Proportional to 1,408,515.10, 2,112,772.65 and 848,643.10
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Solution
The fourth proportional to 1,408,515.10, 2,112,772.65 and 848,643.10 is: 1,272,964.65
Step by Step Solution
- Step 1: Write the proportion equation
1,408,515.10 : 2,112,772.65 = 848,643.10 : x - Step 2: Convert to fraction form
1,408,515.10/2,112,772.65 = 848,643.10/x - Step 3: Cross multiply
1,408,515.10x = 2,112,772.65 × 848,643.10 - Step 4: Simplify right side
1,408,515.10x = 1,792,989,931,291.22 - Step 5: Solve for x
x = 1,792,989,931,291.22/1,408,515.10 - Step 6: Final answer
x = 1,272,964.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.