Finding the Fourth Proportional to 1,869,104.37, 2,579,366.35 and 1,009,664.64
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Solution
The fourth proportional to 1,869,104.37, 2,579,366.35 and 1,009,664.64 is: 1,393,338.45
Step by Step Solution
- Step 1: Write the proportion equation
1,869,104.37 : 2,579,366.35 = 1,009,664.64 : x - Step 2: Convert to fraction form
1,869,104.37/2,579,366.35 = 1,009,664.64/x - Step 3: Cross multiply
1,869,104.37x = 2,579,366.35 × 1,009,664.64 - Step 4: Simplify right side
1,869,104.37x = 2,604,294,998,462.94 - Step 5: Solve for x
x = 2,604,294,998,462.94/1,869,104.37 - Step 6: Final answer
x = 1,393,338.45
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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.