Finding the Fourth Proportional to 1,615,647.82, 2,423,963.94 and 763,373.92
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Solution
The fourth proportional to 1,615,647.82, 2,423,963.94 and 763,373.92 is: 1,145,293.44
Step by Step Solution
- Step 1: Write the proportion equation
1,615,647.82 : 2,423,963.94 = 763,373.92 : x - Step 2: Convert to fraction form
1,615,647.82/2,423,963.94 = 763,373.92/x - Step 3: Cross multiply
1,615,647.82x = 2,423,963.94 × 763,373.92 - Step 4: Simplify right side
1,615,647.82x = 1,850,390,854,816.44 - Step 5: Solve for x
x = 1,850,390,854,816.44/1,615,647.82 - Step 6: Final answer
x = 1,145,293.44
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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.