Finding the Fourth Proportional to 3,442,380.39, 4,750,389.39 and 1,872,460.26
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Solution
The fourth proportional to 3,442,380.39, 4,750,389.39 and 1,872,460.26 is: 2,583,943.19
Step by Step Solution
- Step 1: Write the proportion equation
3,442,380.39 : 4,750,389.39 = 1,872,460.26 : x - Step 2: Convert to fraction form
3,442,380.39/4,750,389.39 = 1,872,460.26/x - Step 3: Cross multiply
3,442,380.39x = 4,750,389.39 × 1,872,460.26 - Step 4: Simplify right side
3,442,380.39x = 8,894,915,352,300.64 - Step 5: Solve for x
x = 8,894,915,352,300.64/3,442,380.39 - Step 6: Final answer
x = 2,583,943.19
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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.