Finding the Fourth Proportional to 2,430,679.51, 3,354,372.84 and 1,342,976.14
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Solution
The fourth proportional to 2,430,679.51, 3,354,372.84 and 1,342,976.14 is: 1,853,326.48
Step by Step Solution
- Step 1: Write the proportion equation
2,430,679.51 : 3,354,372.84 = 1,342,976.14 : x - Step 2: Convert to fraction form
2,430,679.51/3,354,372.84 = 1,342,976.14/x - Step 3: Cross multiply
2,430,679.51x = 3,354,372.84 × 1,342,976.14 - Step 4: Simplify right side
2,430,679.51x = 4,504,842,688,784.04 - Step 5: Solve for x
x = 4,504,842,688,784.04/2,430,679.51 - Step 6: Final answer
x = 1,853,326.48
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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.