Finding the Fourth Proportional to 1,492,135.70, 2,238,203.55 and 1,043,363.30
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Solution
The fourth proportional to 1,492,135.70, 2,238,203.55 and 1,043,363.30 is: 1,565,044.95
Step by Step Solution
- Step 1: Write the proportion equation
1,492,135.70 : 2,238,203.55 = 1,043,363.30 : x - Step 2: Convert to fraction form
1,492,135.70/2,238,203.55 = 1,043,363.30/x - Step 3: Cross multiply
1,492,135.70x = 2,238,203.55 × 1,043,363.30 - Step 4: Simplify right side
1,492,135.70x = 2,335,259,441,999.72 - Step 5: Solve for x
x = 2,335,259,441,999.72/1,492,135.70 - Step 6: Final answer
x = 1,565,044.95
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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.