Finding the Fourth Proportional to 1,656,220.80, 2,484,331.20 and 534,289.80
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Solution
The fourth proportional to 1,656,220.80, 2,484,331.20 and 534,289.80 is: 801,434.70
Step by Step Solution
- Step 1: Write the proportion equation
1,656,220.80 : 2,484,331.20 = 534,289.80 : x - Step 2: Convert to fraction form
1,656,220.80/2,484,331.20 = 534,289.80/x - Step 3: Cross multiply
1,656,220.80x = 2,484,331.20 × 534,289.80 - Step 4: Simplify right side
1,656,220.80x = 1,327,352,819,981.76 - Step 5: Solve for x
x = 1,327,352,819,981.76/1,656,220.80 - Step 6: Final answer
x = 801,434.70
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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.