Finding the Fourth Proportional to 1,497,659.40, 2,246,489.10 and 1,488,328.20
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Solution
The fourth proportional to 1,497,659.40, 2,246,489.10 and 1,488,328.20 is: 2,232,492.30
Step by Step Solution
- Step 1: Write the proportion equation
1,497,659.40 : 2,246,489.10 = 1,488,328.20 : x - Step 2: Convert to fraction form
1,497,659.40/2,246,489.10 = 1,488,328.20/x - Step 3: Cross multiply
1,497,659.40x = 2,246,489.10 × 1,488,328.20 - Step 4: Simplify right side
1,497,659.40x = 3,343,513,078,522.62 - Step 5: Solve for x
x = 3,343,513,078,522.62/1,497,659.40 - Step 6: Final answer
x = 2,232,492.30
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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.