Finding the Fourth Proportional to 3,725,987.36, 5,588,981.06 and 1,201,642.61
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Solution
The fourth proportional to 3,725,987.36, 5,588,981.06 and 1,201,642.61 is: 1,802,463.91
Step by Step Solution
- Step 1: Write the proportion equation
3,725,987.36 : 5,588,981.06 = 1,201,642.61 : x - Step 2: Convert to fraction form
3,725,987.36/5,588,981.06 = 1,201,642.61/x - Step 3: Cross multiply
3,725,987.36x = 5,588,981.06 × 1,201,642.61 - Step 4: Simplify right side
3,725,987.36x = 6,715,957,754,225.85 - Step 5: Solve for x
x = 6,715,957,754,225.85/3,725,987.36 - Step 6: Final answer
x = 1,802,463.91
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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.