Finding the Fourth Proportional to 2,799,209.16, 4,199,480.06 and 905,950.60
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Solution
The fourth proportional to 2,799,209.16, 4,199,480.06 and 905,950.60 is: 1,359,141.55
Step by Step Solution
- Step 1: Write the proportion equation
2,799,209.16 : 4,199,480.06 = 905,950.60 : x - Step 2: Convert to fraction form
2,799,209.16/4,199,480.06 = 905,950.60/x - Step 3: Cross multiply
2,799,209.16x = 4,199,480.06 × 905,950.60 - Step 4: Simplify right side
2,799,209.16x = 3,804,521,480,045.04 - Step 5: Solve for x
x = 3,804,521,480,045.04/2,799,209.16 - Step 6: Final answer
x = 1,359,141.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.