Finding the Fourth Proportional to 1,553,649.12, 2,330,746.92 and 642,828.96
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Solution
The fourth proportional to 1,553,649.12, 2,330,746.92 and 642,828.96 is: 964,356.49
Step by Step Solution
- Step 1: Write the proportion equation
1,553,649.12 : 2,330,746.92 = 642,828.96 : x - Step 2: Convert to fraction form
1,553,649.12/2,330,746.92 = 642,828.96/x - Step 3: Cross multiply
1,553,649.12x = 2,330,746.92 × 642,828.96 - Step 4: Simplify right side
1,553,649.12x = 1,498,271,618,606.80 - Step 5: Solve for x
x = 1,498,271,618,606.80/1,553,649.12 - Step 6: Final answer
x = 964,356.49
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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.