Finding the Fourth Proportional to 1,986,094.56, 2,979,137.28 and 723,406.08
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Solution
The fourth proportional to 1,986,094.56, 2,979,137.28 and 723,406.08 is: 1,085,107.46
Step by Step Solution
- Step 1: Write the proportion equation
1,986,094.56 : 2,979,137.28 = 723,406.08 : x - Step 2: Convert to fraction form
1,986,094.56/2,979,137.28 = 723,406.08/x - Step 3: Cross multiply
1,986,094.56x = 2,979,137.28 × 723,406.08 - Step 4: Simplify right side
1,986,094.56x = 2,155,126,021,506.66 - Step 5: Solve for x
x = 2,155,126,021,506.66/1,986,094.56 - Step 6: Final answer
x = 1,085,107.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.