Finding the Fourth Proportional to 1,840,175.21, 2,539,263.67 and 1,357,000.49
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Solution
The fourth proportional to 1,840,175.21, 2,539,263.67 and 1,357,000.49 is: 1,872,529.32
Step by Step Solution
- Step 1: Write the proportion equation
1,840,175.21 : 2,539,263.67 = 1,357,000.49 : x - Step 2: Convert to fraction form
1,840,175.21/2,539,263.67 = 1,357,000.49/x - Step 3: Cross multiply
1,840,175.21x = 2,539,263.67 × 1,357,000.49 - Step 4: Simplify right side
1,840,175.21x = 3,445,782,028,340.38 - Step 5: Solve for x
x = 3,445,782,028,340.38/1,840,175.21 - Step 6: Final answer
x = 1,872,529.32
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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.