Finding the Fourth Proportional to 1,778,579.40, 2,669,618.70 and 881,034.60
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Solution
The fourth proportional to 1,778,579.40, 2,669,618.70 and 881,034.60 is: 1,322,418.58
Step by Step Solution
- Step 1: Write the proportion equation
1,778,579.40 : 2,669,618.70 = 881,034.60 : x - Step 2: Convert to fraction form
1,778,579.40/2,669,618.70 = 881,034.60/x - Step 3: Cross multiply
1,778,579.40x = 2,669,618.70 × 881,034.60 - Step 4: Simplify right side
1,778,579.40x = 2,352,026,443,507.02 - Step 5: Solve for x
x = 2,352,026,443,507.02/1,778,579.40 - Step 6: Final answer
x = 1,322,418.58
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.