Finding the Fourth Proportional to 4,905,651.28, 6,769,798.77 and 2,730,708.23
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Solution
The fourth proportional to 4,905,651.28, 6,769,798.77 and 2,730,708.23 is: 3,768,377.35
Step by Step Solution
- Step 1: Write the proportion equation
4,905,651.28 : 6,769,798.77 = 2,730,708.23 : x - Step 2: Convert to fraction form
4,905,651.28/6,769,798.77 = 2,730,708.23/x - Step 3: Cross multiply
4,905,651.28x = 6,769,798.77 × 2,730,708.23 - Step 4: Simplify right side
4,905,651.28x = 18,486,345,169,180.34 - Step 5: Solve for x
x = 18,486,345,169,180.34/4,905,651.28 - Step 6: Final answer
x = 3,768,377.35
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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.