Finding the Fourth Proportional to 3,490,843.26, 4,817,392.59 and 1,962,937.02
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Solution
The fourth proportional to 3,490,843.26, 4,817,392.59 and 1,962,937.02 is: 2,708,869.33
Step by Step Solution
- Step 1: Write the proportion equation
3,490,843.26 : 4,817,392.59 = 1,962,937.02 : x - Step 2: Convert to fraction form
3,490,843.26/4,817,392.59 = 1,962,937.02/x - Step 3: Cross multiply
3,490,843.26x = 4,817,392.59 × 1,962,937.02 - Step 4: Simplify right side
3,490,843.26x = 9,456,238,254,784.68 - Step 5: Solve for x
x = 9,456,238,254,784.68/3,490,843.26 - Step 6: Final answer
x = 2,708,869.33
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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.