Finding the Fourth Proportional to 3,483,865.98, 4,807,811.19 and 1,914,018.06
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Solution
The fourth proportional to 3,483,865.98, 4,807,811.19 and 1,914,018.06 is: 2,641,386.75
Step by Step Solution
- Step 1: Write the proportion equation
3,483,865.98 : 4,807,811.19 = 1,914,018.06 : x - Step 2: Convert to fraction form
3,483,865.98/4,807,811.19 = 1,914,018.06/x - Step 3: Cross multiply
3,483,865.98x = 4,807,811.19 × 1,914,018.06 - Step 4: Simplify right side
3,483,865.98x = 9,202,237,446,730.09 - Step 5: Solve for x
x = 9,202,237,446,730.09/3,483,865.98 - Step 6: Final answer
x = 2,641,386.75
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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.