Finding the Fourth Proportional to 1,782,778.03, 2,673,496.80 and 645,259.18
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Solution
The fourth proportional to 1,782,778.03, 2,673,496.80 and 645,259.18 is: 967,646.18
Step by Step Solution
- Step 1: Write the proportion equation
1,782,778.03 : 2,673,496.80 = 645,259.18 : x - Step 2: Convert to fraction form
1,782,778.03/2,673,496.80 = 645,259.18/x - Step 3: Cross multiply
1,782,778.03x = 2,673,496.80 × 645,259.18 - Step 4: Simplify right side
1,782,778.03x = 1,725,098,352,900.62 - Step 5: Solve for x
x = 1,725,098,352,900.62/1,782,778.03 - Step 6: Final answer
x = 967,646.18
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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.