Finding the Fourth Proportional to 2,637,420, 3,639,639.60 and 1,430,196.96
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Solution
The fourth proportional to 2,637,420, 3,639,639.60 and 1,430,196.96 is: 1,973,671.80
Step by Step Solution
- Step 1: Write the proportion equation
2,637,420 : 3,639,639.60 = 1,430,196.96 : x - Step 2: Convert to fraction form
2,637,420/3,639,639.60 = 1,430,196.96/x - Step 3: Cross multiply
2,637,420x = 3,639,639.60 × 1,430,196.96 - Step 4: Simplify right side
2,637,420x = 5,205,401,491,415.62 - Step 5: Solve for x
x = 5,205,401,491,415.62/2,637,420 - Step 6: Final answer
x = 1,973,671.80
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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.