Finding the Fourth Proportional to 1,422,871.95, 2,134,420.25 and 476,246.19
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Solution
The fourth proportional to 1,422,871.95, 2,134,420.25 and 476,246.19 is: 714,406.88
Step by Step Solution
- Step 1: Write the proportion equation
1,422,871.95 : 2,134,420.25 = 476,246.19 : x - Step 2: Convert to fraction form
1,422,871.95/2,134,420.25 = 476,246.19/x - Step 3: Cross multiply
1,422,871.95x = 2,134,420.25 × 476,246.19 - Step 4: Simplify right side
1,422,871.95x = 1,016,509,509,540.12 - Step 5: Solve for x
x = 1,016,509,509,540.12/1,422,871.95 - Step 6: Final answer
x = 714,406.88
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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.