Finding the Fourth Proportional to 1,413,165.49, 2,119,698.79 and 402,293.05
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Solution
The fourth proportional to 1,413,165.49, 2,119,698.79 and 402,293.05 is: 603,425.50
Step by Step Solution
- Step 1: Write the proportion equation
1,413,165.49 : 2,119,698.79 = 402,293.05 : x - Step 2: Convert to fraction form
1,413,165.49/2,119,698.79 = 402,293.05/x - Step 3: Cross multiply
1,413,165.49x = 2,119,698.79 × 402,293.05 - Step 4: Simplify right side
1,413,165.49x = 852,740,085,005.43 - Step 5: Solve for x
x = 852,740,085,005.43/1,413,165.49 - Step 6: Final answer
x = 603,425.50
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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.