Finding the Fourth Proportional to 2,440,089.20, 3,367,323.42 and 1,352,430.92
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Solution
The fourth proportional to 2,440,089.20, 3,367,323.42 and 1,352,430.92 is: 1,866,354.85
Step by Step Solution
- Step 1: Write the proportion equation
2,440,089.20 : 3,367,323.42 = 1,352,430.92 : x - Step 2: Convert to fraction form
2,440,089.20/3,367,323.42 = 1,352,430.92/x - Step 3: Cross multiply
2,440,089.20x = 3,367,323.42 × 1,352,430.92 - Step 4: Simplify right side
2,440,089.20x = 4,554,072,310,848.15 - Step 5: Solve for x
x = 4,554,072,310,848.15/2,440,089.20 - Step 6: Final answer
x = 1,866,354.85
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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.