Finding the Fourth Proportional to 1,554,572.88, 2,331,920.76 and 432,739.92
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Solution
The fourth proportional to 1,554,572.88, 2,331,920.76 and 432,739.92 is: 649,126.98
Step by Step Solution
- Step 1: Write the proportion equation
1,554,572.88 : 2,331,920.76 = 432,739.92 : x - Step 2: Convert to fraction form
1,554,572.88/2,331,920.76 = 432,739.92/x - Step 3: Cross multiply
1,554,572.88x = 2,331,920.76 × 432,739.92 - Step 4: Simplify right side
1,554,572.88x = 1,009,115,203,128.74 - Step 5: Solve for x
x = 1,009,115,203,128.74/1,554,572.88 - Step 6: Final answer
x = 649,126.98
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1.5x scale
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.