Finding the Fourth Proportional to 1,905,774.57, 2,629,974.06 and 1,046,390.49
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Solution
The fourth proportional to 1,905,774.57, 2,629,974.06 and 1,046,390.49 is: 1,444,021.71
Step by Step Solution
- Step 1: Write the proportion equation
1,905,774.57 : 2,629,974.06 = 1,046,390.49 : x - Step 2: Convert to fraction form
1,905,774.57/2,629,974.06 = 1,046,390.49/x - Step 3: Cross multiply
1,905,774.57x = 2,629,974.06 × 1,046,390.49 - Step 4: Simplify right side
1,905,774.57x = 2,751,979,845,330.69 - Step 5: Solve for x
x = 2,751,979,845,330.69/1,905,774.57 - Step 6: Final answer
x = 1,444,021.71
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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.