Finding the Fourth Proportional to 1,490,005.80, 2,235,008.70 and 591,661.80
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Solution
The fourth proportional to 1,490,005.80, 2,235,008.70 and 591,661.80 is: 887,492.70
Step by Step Solution
- Step 1: Write the proportion equation
1,490,005.80 : 2,235,008.70 = 591,661.80 : x - Step 2: Convert to fraction form
1,490,005.80/2,235,008.70 = 591,661.80/x - Step 3: Cross multiply
1,490,005.80x = 2,235,008.70 × 591,661.80 - Step 4: Simplify right side
1,490,005.80x = 1,322,369,270,457.66 - Step 5: Solve for x
x = 1,322,369,270,457.66/1,490,005.80 - Step 6: Final answer
x = 887,492.70
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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.