Finding the Fourth Proportional to 1,516,460.76, 2,273,567.55 and 716,807.90
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Solution
The fourth proportional to 1,516,460.76, 2,273,567.55 and 716,807.90 is: 1,074,680.75
Step by Step Solution
- Step 1: Write the proportion equation
1,516,460.76 : 2,273,567.55 = 716,807.90 : x - Step 2: Convert to fraction form
1,516,460.76/2,273,567.55 = 716,807.90/x - Step 3: Cross multiply
1,516,460.76x = 2,273,567.55 × 716,807.90 - Step 4: Simplify right side
1,516,460.76x = 1,629,711,181,023.65 - Step 5: Solve for x
x = 1,629,711,181,023.65/1,516,460.76 - Step 6: Final answer
x = 1,074,680.75
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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.