Finding the Fourth Proportional to 4,554,128.91, 6,830,186.14 and 1,314,963.75
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Solution
The fourth proportional to 4,554,128.91, 6,830,186.14 and 1,314,963.75 is: 1,972,154.79
Step by Step Solution
- Step 1: Write the proportion equation
4,554,128.91 : 6,830,186.14 = 1,314,963.75 : x - Step 2: Convert to fraction form
4,554,128.91/6,830,186.14 = 1,314,963.75/x - Step 3: Cross multiply
4,554,128.91x = 6,830,186.14 × 1,314,963.75 - Step 4: Simplify right side
4,554,128.91x = 8,981,447,142,083.23 - Step 5: Solve for x
x = 8,981,447,142,083.23/4,554,128.91 - Step 6: Final answer
x = 1,972,154.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.