Finding the Fourth Proportional to 2,121,937.20, 3,178,240.20 and 1,842,001.20
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Solution
The fourth proportional to 2,121,937.20, 3,178,240.20 and 1,842,001.20 is: 2,758,951.71
Step by Step Solution
- Step 1: Write the proportion equation
2,121,937.20 : 3,178,240.20 = 1,842,001.20 : x - Step 2: Convert to fraction form
2,121,937.20/3,178,240.20 = 1,842,001.20/x - Step 3: Cross multiply
2,121,937.20x = 3,178,240.20 × 1,842,001.20 - Step 4: Simplify right side
2,121,937.20x = 5,854,322,262,288.24 - Step 5: Solve for x
x = 5,854,322,262,288.24/2,121,937.20 - Step 6: Final answer
x = 2,758,951.71
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.