Finding the Fourth Proportional to 2,587,037.40, 3,570,219.18 and 1,441,117.44
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Solution
The fourth proportional to 2,587,037.40, 3,570,219.18 and 1,441,117.44 is: 1,988,801.99
Step by Step Solution
- Step 1: Write the proportion equation
2,587,037.40 : 3,570,219.18 = 1,441,117.44 : x - Step 2: Convert to fraction form
2,587,037.40/3,570,219.18 = 1,441,117.44/x - Step 3: Cross multiply
2,587,037.40x = 3,570,219.18 × 1,441,117.44 - Step 4: Simplify right side
2,587,037.40x = 5,145,105,124,920.50 - Step 5: Solve for x
x = 5,145,105,124,920.50/2,587,037.40 - Step 6: Final answer
x = 1,988,801.99
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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.