Finding the Fourth Proportional to 2,201,688.60, 3,302,532.90 and 939,643.80
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Solution
The fourth proportional to 2,201,688.60, 3,302,532.90 and 939,643.80 is: 1,409,465.70
Step by Step Solution
- Step 1: Write the proportion equation
2,201,688.60 : 3,302,532.90 = 939,643.80 : x - Step 2: Convert to fraction form
2,201,688.60/3,302,532.90 = 939,643.80/x - Step 3: Cross multiply
2,201,688.60x = 3,302,532.90 × 939,643.80 - Step 4: Simplify right side
2,201,688.60x = 3,103,204,563,781.02 - Step 5: Solve for x
x = 3,103,204,563,781.02/2,201,688.60 - Step 6: Final answer
x = 1,409,465.70
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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.