Finding the Fourth Proportional to 2,696,128.10, 4,044,275.19 and 1,179,030.12
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Solution
The fourth proportional to 2,696,128.10, 4,044,275.19 and 1,179,030.12 is: 1,768,581.49
Step by Step Solution
- Step 1: Write the proportion equation
2,696,128.10 : 4,044,275.19 = 1,179,030.12 : x - Step 2: Convert to fraction form
2,696,128.10/4,044,275.19 = 1,179,030.12/x - Step 3: Cross multiply
2,696,128.10x = 4,044,275.19 × 1,179,030.12 - Step 4: Simplify right side
2,696,128.10x = 4,768,322,270,161.74 - Step 5: Solve for x
x = 4,768,322,270,161.74/2,696,128.10 - Step 6: Final answer
x = 1,768,581.49
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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.