Finding the Fourth Proportional to 1,664,828.81, 2,497,244.42 and 402,657.65
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Solution
The fourth proportional to 1,664,828.81, 2,497,244.42 and 402,657.65 is: 603,986.76
Step by Step Solution
- Step 1: Write the proportion equation
1,664,828.81 : 2,497,244.42 = 402,657.65 : x - Step 2: Convert to fraction form
1,664,828.81/2,497,244.42 = 402,657.65/x - Step 3: Cross multiply
1,664,828.81x = 2,497,244.42 × 402,657.65 - Step 4: Simplify right side
1,664,828.81x = 1,005,534,558,153.24 - Step 5: Solve for x
x = 1,005,534,558,153.24/1,664,828.81 - Step 6: Final answer
x = 603,986.76
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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.