Finding the Fourth Proportional to 5,388,963.60, 8,083,445.40 and 3,688,352.40
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Solution
The fourth proportional to 5,388,963.60, 8,083,445.40 and 3,688,352.40 is: 5,532,528.60
Step by Step Solution
- Step 1: Write the proportion equation
5,388,963.60 : 8,083,445.40 = 3,688,352.40 : x - Step 2: Convert to fraction form
5,388,963.60/8,083,445.40 = 3,688,352.40/x - Step 3: Cross multiply
5,388,963.60x = 8,083,445.40 × 3,688,352.40 - Step 4: Simplify right side
5,388,963.60x = 29,814,595,241,358.96 - Step 5: Solve for x
x = 29,814,595,241,358.96/5,388,963.60 - Step 6: Final answer
x = 5,532,528.60
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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.