Finding the Fourth Proportional to 2,070,774.65, 2,857,634.88 and 1,211,480.48
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Solution
The fourth proportional to 2,070,774.65, 2,857,634.88 and 1,211,480.48 is: 1,671,823.09
Step by Step Solution
- Step 1: Write the proportion equation
2,070,774.65 : 2,857,634.88 = 1,211,480.48 : x - Step 2: Convert to fraction form
2,070,774.65/2,857,634.88 = 1,211,480.48/x - Step 3: Cross multiply
2,070,774.65x = 2,857,634.88 × 1,211,480.48 - Step 4: Simplify right side
2,070,774.65x = 3,461,968,861,798.97 - Step 5: Solve for x
x = 3,461,968,861,798.97/2,070,774.65 - Step 6: Final answer
x = 1,671,823.09
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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.