Finding the Fourth Proportional to 1,454,970.20, 2,007,163.48 and 1,130,459.49
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Solution
The fourth proportional to 1,454,970.20, 2,007,163.48 and 1,130,459.49 is: 1,559,493.80
Step by Step Solution
- Step 1: Write the proportion equation
1,454,970.20 : 2,007,163.48 = 1,130,459.49 : x - Step 2: Convert to fraction form
1,454,970.20/2,007,163.48 = 1,130,459.49/x - Step 3: Cross multiply
1,454,970.20x = 2,007,163.48 × 1,130,459.49 - Step 4: Simplify right side
1,454,970.20x = 2,269,017,003,947.43 - Step 5: Solve for x
x = 2,269,017,003,947.43/1,454,970.20 - Step 6: Final answer
x = 1,559,493.80
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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.