Finding the Fourth Proportional to 1,440,909.99, 2,159,593.50 and 808,495.20
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Solution
The fourth proportional to 1,440,909.99, 2,159,593.50 and 808,495.20 is: 1,211,748.82
Step by Step Solution
- Step 1: Write the proportion equation
1,440,909.99 : 2,159,593.50 = 808,495.20 : x - Step 2: Convert to fraction form
1,440,909.99/2,159,593.50 = 808,495.20/x - Step 3: Cross multiply
1,440,909.99x = 2,159,593.50 × 808,495.20 - Step 4: Simplify right side
1,440,909.99x = 1,746,020,978,701.20 - Step 5: Solve for x
x = 1,746,020,978,701.20/1,440,909.99 - Step 6: Final answer
x = 1,211,748.82
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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.