Finding the Fourth Proportional to 2,140,121.18, 3,210,294.67 and 542,698.11
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Solution
The fourth proportional to 2,140,121.18, 3,210,294.67 and 542,698.11 is: 814,075.79
Step by Step Solution
- Step 1: Write the proportion equation
2,140,121.18 : 3,210,294.67 = 542,698.11 : x - Step 2: Convert to fraction form
2,140,121.18/3,210,294.67 = 542,698.11/x - Step 3: Cross multiply
2,140,121.18x = 3,210,294.67 × 542,698.11 - Step 4: Simplify right side
2,140,121.18x = 1,742,220,848,595.33 - Step 5: Solve for x
x = 1,742,220,848,595.33/2,140,121.18 - Step 6: Final answer
x = 814,075.79
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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.