Finding the Fourth Proportional to 1,554,221.14, 2,331,462.90 and 432,290.14
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Solution
The fourth proportional to 1,554,221.14, 2,331,462.90 and 432,290.14 is: 648,471.70
Step by Step Solution
- Step 1: Write the proportion equation
1,554,221.14 : 2,331,462.90 = 432,290.14 : x - Step 2: Convert to fraction form
1,554,221.14/2,331,462.90 = 432,290.14/x - Step 3: Cross multiply
1,554,221.14x = 2,331,462.90 × 432,290.14 - Step 4: Simplify right side
1,554,221.14x = 1,007,868,423,445.81 - Step 5: Solve for x
x = 1,007,868,423,445.81/1,554,221.14 - Step 6: Final answer
x = 648,471.70
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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.