Finding the Fourth Proportional to 1,442,005.56, 2,163,013.07 and 543,206.08
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Solution
The fourth proportional to 1,442,005.56, 2,163,013.07 and 543,206.08 is: 814,810.90
Step by Step Solution
- Step 1: Write the proportion equation
1,442,005.56 : 2,163,013.07 = 543,206.08 : x - Step 2: Convert to fraction form
1,442,005.56/2,163,013.07 = 543,206.08/x - Step 3: Cross multiply
1,442,005.56x = 2,163,013.07 × 543,206.08 - Step 4: Simplify right side
1,442,005.56x = 1,174,961,850,743.47 - Step 5: Solve for x
x = 1,174,961,850,743.47/1,442,005.56 - Step 6: Final answer
x = 814,810.90
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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.