Finding the Fourth Proportional to 3,464,967.98, 4,781,687.63 and 1,916,149.62
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Solution
The fourth proportional to 3,464,967.98, 4,781,687.63 and 1,916,149.62 is: 2,644,304.07
Step by Step Solution
- Step 1: Write the proportion equation
3,464,967.98 : 4,781,687.63 = 1,916,149.62 : x - Step 2: Convert to fraction form
3,464,967.98/4,781,687.63 = 1,916,149.62/x - Step 3: Cross multiply
3,464,967.98x = 4,781,687.63 × 1,916,149.62 - Step 4: Simplify right side
3,464,967.98x = 9,162,428,927,415.51 - Step 5: Solve for x
x = 9,162,428,927,415.51/3,464,967.98 - Step 6: Final answer
x = 2,644,304.07
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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.