Finding the Fourth Proportional to 2,088,366.30, 3,135,501.90 and 1,291,204.80
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Solution
The fourth proportional to 2,088,366.30, 3,135,501.90 and 1,291,204.80 is: 1,938,632.65
Step by Step Solution
- Step 1: Write the proportion equation
2,088,366.30 : 3,135,501.90 = 1,291,204.80 : x - Step 2: Convert to fraction form
2,088,366.30/3,135,501.90 = 1,291,204.80/x - Step 3: Cross multiply
2,088,366.30x = 3,135,501.90 × 1,291,204.80 - Step 4: Simplify right side
2,088,366.30x = 4,048,575,103,689.12 - Step 5: Solve for x
x = 4,048,575,103,689.12/2,088,366.30 - Step 6: Final answer
x = 1,938,632.65
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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.