Finding the Fourth Proportional to 1,420,182.98, 2,130,318.21 and 621,053.18
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Solution
The fourth proportional to 1,420,182.98, 2,130,318.21 and 621,053.18 is: 931,598.90
Step by Step Solution
- Step 1: Write the proportion equation
1,420,182.98 : 2,130,318.21 = 621,053.18 : x - Step 2: Convert to fraction form
1,420,182.98/2,130,318.21 = 621,053.18/x - Step 3: Cross multiply
1,420,182.98x = 2,130,318.21 × 621,053.18 - Step 4: Simplify right side
1,420,182.98x = 1,323,040,898,732.41 - Step 5: Solve for x
x = 1,323,040,898,732.41/1,420,182.98 - Step 6: Final answer
x = 931,598.90
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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.