Finding the Fourth Proportional to 1,559,866.97, 2,152,727.84 and 862,132.82
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Solution
The fourth proportional to 1,559,866.97, 2,152,727.84 and 862,132.82 is: 1,189,804.87
Step by Step Solution
- Step 1: Write the proportion equation
1,559,866.97 : 2,152,727.84 = 862,132.82 : x - Step 2: Convert to fraction form
1,559,866.97/2,152,727.84 = 862,132.82/x - Step 3: Cross multiply
1,559,866.97x = 2,152,727.84 × 862,132.82 - Step 4: Simplify right side
1,559,866.97x = 1,855,937,309,933.90 - Step 5: Solve for x
x = 1,855,937,309,933.90/1,559,866.97 - Step 6: Final answer
x = 1,189,804.87
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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.