Finding the Fourth Proportional to 4,902,256.13, 6,765,113.48 and 2,756,080.13
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Solution
The fourth proportional to 4,902,256.13, 6,765,113.48 and 2,756,080.13 is: 3,803,390.59
Step by Step Solution
- Step 1: Write the proportion equation
4,902,256.13 : 6,765,113.48 = 2,756,080.13 : x - Step 2: Convert to fraction form
4,902,256.13/6,765,113.48 = 2,756,080.13/x - Step 3: Cross multiply
4,902,256.13x = 6,765,113.48 × 2,756,080.13 - Step 4: Simplify right side
4,902,256.13x = 18,645,194,791,817.18 - Step 5: Solve for x
x = 18,645,194,791,817.18/4,902,256.13 - Step 6: Final answer
x = 3,803,390.59
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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.