Finding the Fourth Proportional to 1,664,453.98, 2,296,946.99 and 939,455.28
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Solution
The fourth proportional to 1,664,453.98, 2,296,946.99 and 939,455.28 is: 1,296,448.57
Step by Step Solution
- Step 1: Write the proportion equation
1,664,453.98 : 2,296,946.99 = 939,455.28 : x - Step 2: Convert to fraction form
1,664,453.98/2,296,946.99 = 939,455.28/x - Step 3: Cross multiply
1,664,453.98x = 2,296,946.99 × 939,455.28 - Step 4: Simplify right side
1,664,453.98x = 2,157,878,979,984.25 - Step 5: Solve for x
x = 2,157,878,979,984.25/1,664,453.98 - Step 6: Final answer
x = 1,296,448.57
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.