Finding the Fourth Proportional to 2,917,492.85, 4,026,493.18 and 1,660,485.84
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Solution
The fourth proportional to 2,917,492.85, 4,026,493.18 and 1,660,485.84 is: 2,291,671.40
Step by Step Solution
- Step 1: Write the proportion equation
2,917,492.85 : 4,026,493.18 = 1,660,485.84 : x - Step 2: Convert to fraction form
2,917,492.85/4,026,493.18 = 1,660,485.84/x - Step 3: Cross multiply
2,917,492.85x = 4,026,493.18 × 1,660,485.84 - Step 4: Simplify right side
2,917,492.85x = 6,685,934,910,246.57 - Step 5: Solve for x
x = 6,685,934,910,246.57/2,917,492.85 - Step 6: Final answer
x = 2,291,671.40
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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.