Finding the Fourth Proportional to 1,923,276.30, 2,885,173.65 and 661,490.70
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Solution
The fourth proportional to 1,923,276.30, 2,885,173.65 and 661,490.70 is: 992,325.20
Step by Step Solution
- Step 1: Write the proportion equation
1,923,276.30 : 2,885,173.65 = 661,490.70 : x - Step 2: Convert to fraction form
1,923,276.30/2,885,173.65 = 661,490.70/x - Step 3: Cross multiply
1,923,276.30x = 2,885,173.65 × 661,490.70 - Step 4: Simplify right side
1,923,276.30x = 1,908,515,537,360.05 - Step 5: Solve for x
x = 1,908,515,537,360.05/1,923,276.30 - Step 6: Final answer
x = 992,325.20
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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.