Finding the Fourth Proportional to 1,618,277.40, 2,427,416.10 and 553,159.80
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Solution
The fourth proportional to 1,618,277.40, 2,427,416.10 and 553,159.80 is: 829,739.70
Step by Step Solution
- Step 1: Write the proportion equation
1,618,277.40 : 2,427,416.10 = 553,159.80 : x - Step 2: Convert to fraction form
1,618,277.40/2,427,416.10 = 553,159.80/x - Step 3: Cross multiply
1,618,277.40x = 2,427,416.10 × 553,159.80 - Step 4: Simplify right side
1,618,277.40x = 1,342,749,004,392.78 - Step 5: Solve for x
x = 1,342,749,004,392.78/1,618,277.40 - Step 6: Final answer
x = 829,739.70
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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.