Finding the Fourth Proportional to 1,970,405.00, 2,719,160.07 and 1,099,239.70
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Solution
The fourth proportional to 1,970,405.00, 2,719,160.07 and 1,099,239.70 is: 1,516,951.44
Step by Step Solution
- Step 1: Write the proportion equation
1,970,405.00 : 2,719,160.07 = 1,099,239.70 : x - Step 2: Convert to fraction form
1,970,405.00/2,719,160.07 = 1,099,239.70/x - Step 3: Cross multiply
1,970,405.00x = 2,719,160.07 × 1,099,239.70 - Step 4: Simplify right side
1,970,405.00x = 2,989,008,701,298.25 - Step 5: Solve for x
x = 2,989,008,701,298.25/1,970,405.00 - Step 6: Final answer
x = 1,516,951.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.