Finding the Fourth Proportional to 1,785,859.22, 2,462,140.62 and 1,288,725.95
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Solution
The fourth proportional to 1,785,859.22, 2,462,140.62 and 1,288,725.95 is: 1,776,749.52
Step by Step Solution
- Step 1: Write the proportion equation
1,785,859.22 : 2,462,140.62 = 1,288,725.95 : x - Step 2: Convert to fraction form
1,785,859.22/2,462,140.62 = 1,288,725.95/x - Step 3: Cross multiply
1,785,859.22x = 2,462,140.62 × 1,288,725.95 - Step 4: Simplify right side
1,785,859.22x = 3,173,024,515,698.44 - Step 5: Solve for x
x = 3,173,024,515,698.44/1,785,859.22 - Step 6: Final answer
x = 1,776,749.52
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.