Finding the Fourth Proportional to 1,664,618.49, 2,296,927.16 and 1,010,904.54
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Solution
The fourth proportional to 1,664,618.49, 2,296,927.16 and 1,010,904.54 is: 1,394,898.65
Step by Step Solution
- Step 1: Write the proportion equation
1,664,618.49 : 2,296,927.16 = 1,010,904.54 : x - Step 2: Convert to fraction form
1,664,618.49/2,296,927.16 = 1,010,904.54/x - Step 3: Cross multiply
1,664,618.49x = 2,296,927.16 × 1,010,904.54 - Step 4: Simplify right side
1,664,618.49x = 2,321,974,089,038.78 - Step 5: Solve for x
x = 2,321,974,089,038.78/1,664,618.49 - Step 6: Final answer
x = 1,394,898.65
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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.