Finding the Fourth Proportional to 2,038,564.09, 2,813,224.05 and 1,120,887.04
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Solution
The fourth proportional to 2,038,564.09, 2,813,224.05 and 1,120,887.04 is: 1,546,827.20
Step by Step Solution
- Step 1: Write the proportion equation
2,038,564.09 : 2,813,224.05 = 1,120,887.04 : x - Step 2: Convert to fraction form
2,038,564.09/2,813,224.05 = 1,120,887.04/x - Step 3: Cross multiply
2,038,564.09x = 2,813,224.05 × 1,120,887.04 - Step 4: Simplify right side
2,038,564.09x = 3,153,306,378,261.31 - Step 5: Solve for x
x = 3,153,306,378,261.31/2,038,564.09 - Step 6: Final answer
x = 1,546,827.20
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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.