Finding the Fourth Proportional to 1,569,369.80, 2,354,054.70 and 432,129.80
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Solution
The fourth proportional to 1,569,369.80, 2,354,054.70 and 432,129.80 is: 648,194.70
Step by Step Solution
- Step 1: Write the proportion equation
1,569,369.80 : 2,354,054.70 = 432,129.80 : x - Step 2: Convert to fraction form
1,569,369.80/2,354,054.70 = 432,129.80/x - Step 3: Cross multiply
1,569,369.80x = 2,354,054.70 × 432,129.80 - Step 4: Simplify right side
1,569,369.80x = 1,017,257,186,700.06 - Step 5: Solve for x
x = 1,017,257,186,700.06/1,569,369.80 - Step 6: Final answer
x = 648,194.70
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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.