Finding the Fourth Proportional to 1,815,207.36, 2,723,217.12 and 553,133.76
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Solution
The fourth proportional to 1,815,207.36, 2,723,217.12 and 553,133.76 is: 829,824.38
Step by Step Solution
- Step 1: Write the proportion equation
1,815,207.36 : 2,723,217.12 = 553,133.76 : x - Step 2: Convert to fraction form
1,815,207.36/2,723,217.12 = 553,133.76/x - Step 3: Cross multiply
1,815,207.36x = 2,723,217.12 × 553,133.76 - Step 4: Simplify right side
1,815,207.36x = 1,506,303,324,881.97 - Step 5: Solve for x
x = 1,506,303,324,881.97/1,815,207.36 - Step 6: Final answer
x = 829,824.38
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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.