Finding the Fourth Proportional to 2,038,564.40, 2,813,224.49 and 1,120,887.36
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Solution
The fourth proportional to 2,038,564.40, 2,813,224.49 and 1,120,887.36 is: 1,546,827.65
Step by Step Solution
- Step 1: Write the proportion equation
2,038,564.40 : 2,813,224.49 = 1,120,887.36 : x - Step 2: Convert to fraction form
2,038,564.40/2,813,224.49 = 1,120,887.36/x - Step 3: Cross multiply
2,038,564.40x = 2,813,224.49 × 1,120,887.36 - Step 4: Simplify right side
2,038,564.40x = 3,153,307,774,485.67 - Step 5: Solve for x
x = 3,153,307,774,485.67/2,038,564.40 - Step 6: Final answer
x = 1,546,827.65
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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.