Finding the Fourth Proportional to 1,587,974.24, 2,191,412.56 and 862,823.84
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Solution
The fourth proportional to 1,587,974.24, 2,191,412.56 and 862,823.84 is: 1,190,701.31
Step by Step Solution
- Step 1: Write the proportion equation
1,587,974.24 : 2,191,412.56 = 862,823.84 : x - Step 2: Convert to fraction form
1,587,974.24/2,191,412.56 = 862,823.84/x - Step 3: Cross multiply
1,587,974.24x = 2,191,412.56 × 862,823.84 - Step 4: Simplify right side
1,587,974.24x = 1,890,803,000,043.43 - Step 5: Solve for x
x = 1,890,803,000,043.43/1,587,974.24 - Step 6: Final answer
x = 1,190,701.31
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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.