Finding the Fourth Proportional to 3,698,712.36, 5,102,781.30 and 2,321,252.28
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Solution
The fourth proportional to 3,698,712.36, 5,102,781.30 and 2,321,252.28 is: 3,202,423.32
Step by Step Solution
- Step 1: Write the proportion equation
3,698,712.36 : 5,102,781.30 = 2,321,252.28 : x - Step 2: Convert to fraction form
3,698,712.36/5,102,781.30 = 2,321,252.28/x - Step 3: Cross multiply
3,698,712.36x = 5,102,781.30 × 2,321,252.28 - Step 4: Simplify right side
3,698,712.36x = 11,844,842,726,966.36 - Step 5: Solve for x
x = 11,844,842,726,966.36/3,698,712.36 - Step 6: Final answer
x = 3,202,423.32
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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.