Finding the Fourth Proportional to 2,038,640.74, 2,813,264.58 and 1,120,868.98
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Solution
The fourth proportional to 2,038,640.74, 2,813,264.58 and 1,120,868.98 is: 1,546,766.40
Step by Step Solution
- Step 1: Write the proportion equation
2,038,640.74 : 2,813,264.58 = 1,120,868.98 : x - Step 2: Convert to fraction form
2,038,640.74/2,813,264.58 = 1,120,868.98/x - Step 3: Cross multiply
2,038,640.74x = 2,813,264.58 × 1,120,868.98 - Step 4: Simplify right side
2,038,640.74x = 3,153,301,000,254.73 - Step 5: Solve for x
x = 3,153,301,000,254.73/2,038,640.74 - Step 6: Final answer
x = 1,546,766.40
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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.