Finding the Fourth Proportional to 1,618,603.70, 2,427,905.55 and 1,303,675.70
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Solution
The fourth proportional to 1,618,603.70, 2,427,905.55 and 1,303,675.70 is: 1,955,513.55
Step by Step Solution
- Step 1: Write the proportion equation
1,618,603.70 : 2,427,905.55 = 1,303,675.70 : x - Step 2: Convert to fraction form
1,618,603.70/2,427,905.55 = 1,303,675.70/x - Step 3: Cross multiply
1,618,603.70x = 2,427,905.55 × 1,303,675.70 - Step 4: Simplify right side
1,618,603.70x = 3,165,201,467,430.14 - Step 5: Solve for x
x = 3,165,201,467,430.14/1,618,603.70 - Step 6: Final answer
x = 1,955,513.55
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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.