Finding the Fourth Proportional to 1,756,707.28, 2,424,128.60 and 971,740
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Solution
The fourth proportional to 1,756,707.28, 2,424,128.60 and 971,740 is: 1,340,930.70
Step by Step Solution
- Step 1: Write the proportion equation
1,756,707.28 : 2,424,128.60 = 971,740 : x - Step 2: Convert to fraction form
1,756,707.28/2,424,128.60 = 971,740/x - Step 3: Cross multiply
1,756,707.28x = 2,424,128.60 × 971,740 - Step 4: Simplify right side
1,756,707.28x = 2,355,622,725,764 - Step 5: Solve for x
x = 2,355,622,725,764/1,756,707.28 - Step 6: Final answer
x = 1,340,930.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.