Finding the Fourth Proportional to 2,389,416.60, 3,583,558.80 and 683,507.28
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Solution
The fourth proportional to 2,389,416.60, 3,583,558.80 and 683,507.28 is: 1,025,098.98
Step by Step Solution
- Step 1: Write the proportion equation
2,389,416.60 : 3,583,558.80 = 683,507.28 : x - Step 2: Convert to fraction form
2,389,416.60/3,583,558.80 = 683,507.28/x - Step 3: Cross multiply
2,389,416.60x = 3,583,558.80 × 683,507.28 - Step 4: Simplify right side
2,389,416.60x = 2,449,388,528,108.06 - Step 5: Solve for x
x = 2,449,388,528,108.06/2,389,416.60 - Step 6: Final answer
x = 1,025,098.98
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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.