Finding the Fourth Proportional to 3,108,219.16, 4,258,275.74 and 2,991,726.31
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Solution
The fourth proportional to 3,108,219.16, 4,258,275.74 and 2,991,726.31 is: 4,098,679.95
Step by Step Solution
- Step 1: Write the proportion equation
3,108,219.16 : 4,258,275.74 = 2,991,726.31 : x - Step 2: Convert to fraction form
3,108,219.16/4,258,275.74 = 2,991,726.31/x - Step 3: Cross multiply
3,108,219.16x = 4,258,275.74 × 2,991,726.31 - Step 4: Simplify right side
3,108,219.16x = 12,739,595,540,988.40 - Step 5: Solve for x
x = 12,739,595,540,988.40/3,108,219.16 - Step 6: Final answer
x = 4,098,679.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.