Finding the Fourth Proportional to 1,675,615.36, 2,312,280.12 and 911,671.96
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Solution
The fourth proportional to 1,675,615.36, 2,312,280.12 and 911,671.96 is: 1,258,069.72
Step by Step Solution
- Step 1: Write the proportion equation
1,675,615.36 : 2,312,280.12 = 911,671.96 : x - Step 2: Convert to fraction form
1,675,615.36/2,312,280.12 = 911,671.96/x - Step 3: Cross multiply
1,675,615.36x = 2,312,280.12 × 911,671.96 - Step 4: Simplify right side
1,675,615.36x = 2,108,040,949,069.44 - Step 5: Solve for x
x = 2,108,040,949,069.44/1,675,615.36 - Step 6: Final answer
x = 1,258,069.72
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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.