Finding the Fourth Proportional to 1,675,621.36, 2,312,288.38 and 911,677.96
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Solution
The fourth proportional to 1,675,621.36, 2,312,288.38 and 911,677.96 is: 1,258,077.99
Step by Step Solution
- Step 1: Write the proportion equation
1,675,621.36 : 2,312,288.38 = 911,677.96 : x - Step 2: Convert to fraction form
1,675,621.36/2,312,288.38 = 911,677.96/x - Step 3: Cross multiply
1,675,621.36x = 2,312,288.38 × 911,677.96 - Step 4: Simplify right side
1,675,621.36x = 2,108,062,353,210.10 - Step 5: Solve for x
x = 2,108,062,353,210.10/1,675,621.36 - Step 6: Final answer
x = 1,258,077.99
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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.