Finding the Fourth Proportional to 1,557,631.84, 2,149,559.94 and 913,516.60
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Solution
The fourth proportional to 1,557,631.84, 2,149,559.94 and 913,516.60 is: 1,260,669.33
Step by Step Solution
- Step 1: Write the proportion equation
1,557,631.84 : 2,149,559.94 = 913,516.60 : x - Step 2: Convert to fraction form
1,557,631.84/2,149,559.94 = 913,516.60/x - Step 3: Cross multiply
1,557,631.84x = 2,149,559.94 × 913,516.60 - Step 4: Simplify right side
1,557,631.84x = 1,963,658,687,885.00 - Step 5: Solve for x
x = 1,963,658,687,885.00/1,557,631.84 - Step 6: Final answer
x = 1,260,669.33
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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.