Finding the Fourth Proportional to 1,130,176.49, 1,559,660.13 and 613,940.09
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Solution
The fourth proportional to 1,130,176.49, 1,559,660.13 and 613,940.09 is: 847,246.32
Step by Step Solution
- Step 1: Write the proportion equation
1,130,176.49 : 1,559,660.13 = 613,940.09 : x - Step 2: Convert to fraction form
1,130,176.49/1,559,660.13 = 613,940.09/x - Step 3: Cross multiply
1,130,176.49x = 1,559,660.13 × 613,940.09 - Step 4: Simplify right side
1,130,176.49x = 957,537,872,783.31 - Step 5: Solve for x
x = 957,537,872,783.31/1,130,176.49 - Step 6: Final answer
x = 847,246.32
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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.