Finding the Fourth Proportional to 1,411,385.60, 2,114,620.80 and 912,492.80
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Solution
The fourth proportional to 1,411,385.60, 2,114,620.80 and 912,492.80 is: 1,367,150.31
Step by Step Solution
- Step 1: Write the proportion equation
1,411,385.60 : 2,114,620.80 = 912,492.80 : x - Step 2: Convert to fraction form
1,411,385.60/2,114,620.80 = 912,492.80/x - Step 3: Cross multiply
1,411,385.60x = 2,114,620.80 × 912,492.80 - Step 4: Simplify right side
1,411,385.60x = 1,929,576,254,730.24 - Step 5: Solve for x
x = 1,929,576,254,730.24/1,411,385.60 - Step 6: Final answer
x = 1,367,150.31
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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.