Finding the Fourth Proportional to 6,688,297.26, 9,232,668.63 and 4,515,780.06
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Solution
The fourth proportional to 6,688,297.26, 9,232,668.63 and 4,515,780.06 is: 6,233,679.41
Step by Step Solution
- Step 1: Write the proportion equation
6,688,297.26 : 9,232,668.63 = 4,515,780.06 : x - Step 2: Convert to fraction form
6,688,297.26/9,232,668.63 = 4,515,780.06/x - Step 3: Cross multiply
6,688,297.26x = 9,232,668.63 × 4,515,780.06 - Step 4: Simplify right side
6,688,297.26x = 41,692,700,899,941.52 - Step 5: Solve for x
x = 41,692,700,899,941.52/6,688,297.26 - Step 6: Final answer
x = 6,233,679.41
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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.