Finding the Fourth Proportional to 4,931,491.73, 6,805,668.77 and 2,756,034.82
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Solution
The fourth proportional to 4,931,491.73, 6,805,668.77 and 2,756,034.82 is: 3,803,445.52
Step by Step Solution
- Step 1: Write the proportion equation
4,931,491.73 : 6,805,668.77 = 2,756,034.82 : x - Step 2: Convert to fraction form
4,931,491.73/6,805,668.77 = 2,756,034.82/x - Step 3: Cross multiply
4,931,491.73x = 6,805,668.77 × 2,756,034.82 - Step 4: Simplify right side
4,931,491.73x = 18,756,660,103,506.57 - Step 5: Solve for x
x = 18,756,660,103,506.57/4,931,491.73 - Step 6: Final answer
x = 3,803,445.52
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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.