Finding the Fourth Proportional to 1,751,437.60, 2,625,212.40 and 686,125.60
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Solution
The fourth proportional to 1,751,437.60, 2,625,212.40 and 686,125.60 is: 1,028,426.84
Step by Step Solution
- Step 1: Write the proportion equation
1,751,437.60 : 2,625,212.40 = 686,125.60 : x - Step 2: Convert to fraction form
1,751,437.60/2,625,212.40 = 686,125.60/x - Step 3: Cross multiply
1,751,437.60x = 2,625,212.40 × 686,125.60 - Step 4: Simplify right side
1,751,437.60x = 1,801,225,433,077.44 - Step 5: Solve for x
x = 1,801,225,433,077.44/1,751,437.60 - Step 6: Final answer
x = 1,028,426.84
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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.