Finding the Fourth Proportional to 2,432,995.85, 3,357,398.59 and 1,345,202.09
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Solution
The fourth proportional to 2,432,995.85, 3,357,398.59 and 1,345,202.09 is: 1,856,303.87
Step by Step Solution
- Step 1: Write the proportion equation
2,432,995.85 : 3,357,398.59 = 1,345,202.09 : x - Step 2: Convert to fraction form
2,432,995.85/3,357,398.59 = 1,345,202.09/x - Step 3: Cross multiply
2,432,995.85x = 3,357,398.59 × 1,345,202.09 - Step 4: Simplify right side
2,432,995.85x = 4,516,379,600,231.05 - Step 5: Solve for x
x = 4,516,379,600,231.05/2,432,995.85 - Step 6: Final answer
x = 1,856,303.87
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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.