Finding the Fourth Proportional to 2,430,605.20, 3,354,270.36 and 1,342,901.80
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Solution
The fourth proportional to 2,430,605.20, 3,354,270.36 and 1,342,901.80 is: 1,853,223.92
Step by Step Solution
- Step 1: Write the proportion equation
2,430,605.20 : 3,354,270.36 = 1,342,901.80 : x - Step 2: Convert to fraction form
2,430,605.20/3,354,270.36 = 1,342,901.80/x - Step 3: Cross multiply
2,430,605.20x = 3,354,270.36 × 1,342,901.80 - Step 4: Simplify right side
2,430,605.20x = 4,504,455,704,130.65 - Step 5: Solve for x
x = 4,504,455,704,130.65/2,430,605.20 - Step 6: Final answer
x = 1,853,223.92
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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.