Finding the Fourth Proportional to 2,214,993.20, 3,056,690.52 and 1,196,397.95
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Solution
The fourth proportional to 2,214,993.20, 3,056,690.52 and 1,196,397.95 is: 1,651,029.12
Step by Step Solution
- Step 1: Write the proportion equation
2,214,993.20 : 3,056,690.52 = 1,196,397.95 : x - Step 2: Convert to fraction form
2,214,993.20/3,056,690.52 = 1,196,397.95/x - Step 3: Cross multiply
2,214,993.20x = 3,056,690.52 × 1,196,397.95 - Step 4: Simplify right side
2,214,993.20x = 3,657,018,256,628.98 - Step 5: Solve for x
x = 3,657,018,256,628.98/2,214,993.20 - Step 6: Final answer
x = 1,651,029.12
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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.