Finding the Fourth Proportional to 1,863,311.67, 2,571,461.30 and 1,047,772.08
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Solution
The fourth proportional to 1,863,311.67, 2,571,461.30 and 1,047,772.08 is: 1,445,976.75
Step by Step Solution
- Step 1: Write the proportion equation
1,863,311.67 : 2,571,461.30 = 1,047,772.08 : x - Step 2: Convert to fraction form
1,863,311.67/2,571,461.30 = 1,047,772.08/x - Step 3: Cross multiply
1,863,311.67x = 2,571,461.30 × 1,047,772.08 - Step 4: Simplify right side
1,863,311.67x = 2,694,305,357,559.93 - Step 5: Solve for x
x = 2,694,305,357,559.93/1,863,311.67 - Step 6: Final answer
x = 1,445,976.75
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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.