Finding the Fourth Proportional to 2,798,378.40, 3,862,335.76 and 1,779,586.08
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Solution
The fourth proportional to 2,798,378.40, 3,862,335.76 and 1,779,586.08 is: 2,456,193.54
Step by Step Solution
- Step 1: Write the proportion equation
2,798,378.40 : 3,862,335.76 = 1,779,586.08 : x - Step 2: Convert to fraction form
2,798,378.40/3,862,335.76 = 1,779,586.08/x - Step 3: Cross multiply
2,798,378.40x = 3,862,335.76 × 1,779,586.08 - Step 4: Simplify right side
2,798,378.40x = 6,873,358,954,782.22 - Step 5: Solve for x
x = 6,873,358,954,782.22/2,798,378.40 - Step 6: Final answer
x = 2,456,193.54
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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.