Finding the Fourth Proportional to 1,516,487.31, 2,275,860.74 and 1,112,722.87
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Solution
The fourth proportional to 1,516,487.31, 2,275,860.74 and 1,112,722.87 is: 1,669,913.28
Step by Step Solution
- Step 1: Write the proportion equation
1,516,487.31 : 2,275,860.74 = 1,112,722.87 : x - Step 2: Convert to fraction form
1,516,487.31/2,275,860.74 = 1,112,722.87/x - Step 3: Cross multiply
1,516,487.31x = 2,275,860.74 × 1,112,722.87 - Step 4: Simplify right side
1,516,487.31x = 2,532,402,299,959.76 - Step 5: Solve for x
x = 2,532,402,299,959.76/1,516,487.31 - Step 6: Final answer
x = 1,669,913.28
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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.