Finding the Fourth Proportional to 1,424,273.60, 2,137,792.80 and 715,102.40
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Solution
The fourth proportional to 1,424,273.60, 2,137,792.80 and 715,102.40 is: 1,073,347.68
Step by Step Solution
- Step 1: Write the proportion equation
1,424,273.60 : 2,137,792.80 = 715,102.40 : x - Step 2: Convert to fraction form
1,424,273.60/2,137,792.80 = 715,102.40/x - Step 3: Cross multiply
1,424,273.60x = 2,137,792.80 × 715,102.40 - Step 4: Simplify right side
1,424,273.60x = 1,528,740,761,982.72 - Step 5: Solve for x
x = 1,528,740,761,982.72/1,424,273.60 - Step 6: Final answer
x = 1,073,347.68
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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.