Finding the Fourth Proportional to 1,712,341.92, 2,363,025.84 and 987,186.12
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Solution
The fourth proportional to 1,712,341.92, 2,363,025.84 and 987,186.12 is: 1,362,313.38
Step by Step Solution
- Step 1: Write the proportion equation
1,712,341.92 : 2,363,025.84 = 987,186.12 : x - Step 2: Convert to fraction form
1,712,341.92/2,363,025.84 = 987,186.12/x - Step 3: Cross multiply
1,712,341.92x = 2,363,025.84 × 987,186.12 - Step 4: Simplify right side
1,712,341.92x = 2,332,746,310,449.34 - Step 5: Solve for x
x = 2,332,746,310,449.34/1,712,341.92 - Step 6: Final answer
x = 1,362,313.38
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1.5x scale
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.