Finding the Fourth Proportional to 7,117,908.36, 9,822,664.62 and 3,854,648.41
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Solution
The fourth proportional to 7,117,908.36, 9,822,664.62 and 3,854,648.41 is: 5,319,388.32
Step by Step Solution
- Step 1: Write the proportion equation
7,117,908.36 : 9,822,664.62 = 3,854,648.41 : x - Step 2: Convert to fraction form
7,117,908.36/9,822,664.62 = 3,854,648.41/x - Step 3: Cross multiply
7,117,908.36x = 9,822,664.62 × 3,854,648.41 - Step 4: Simplify right side
7,117,908.36x = 37,862,918,534,889.59 - Step 5: Solve for x
x = 37,862,918,534,889.59/7,117,908.36 - Step 6: Final answer
x = 5,319,388.32
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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.