Finding the Fourth Proportional to 2,742,317.19, 4,115,050.86 and 2,141,592.03
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Solution
The fourth proportional to 2,742,317.19, 4,115,050.86 and 2,141,592.03 is: 3,213,618.09
Step by Step Solution
- Step 1: Write the proportion equation
2,742,317.19 : 4,115,050.86 = 2,141,592.03 : x - Step 2: Convert to fraction form
2,742,317.19/4,115,050.86 = 2,141,592.03/x - Step 3: Cross multiply
2,742,317.19x = 4,115,050.86 × 2,141,592.03 - Step 4: Simplify right side
2,742,317.19x = 8,812,760,124,820.65 - Step 5: Solve for x
x = 8,812,760,124,820.65/2,742,317.19 - Step 6: Final answer
x = 3,213,618.09
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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.