Finding the Fourth Proportional to 1,567,321.02, 2,163,139.42 and 955,828.49
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Solution
The fourth proportional to 1,567,321.02, 2,163,139.42 and 955,828.49 is: 1,319,187.49
Step by Step Solution
- Step 1: Write the proportion equation
1,567,321.02 : 2,163,139.42 = 955,828.49 : x - Step 2: Convert to fraction form
1,567,321.02/2,163,139.42 = 955,828.49/x - Step 3: Cross multiply
1,567,321.02x = 2,163,139.42 × 955,828.49 - Step 4: Simplify right side
1,567,321.02x = 2,067,590,285,478.08 - Step 5: Solve for x
x = 2,067,590,285,478.08/1,567,321.02 - Step 6: Final answer
x = 1,319,187.49
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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.