Finding the Fourth Proportional to 2,759,756.13, 4,139,343.05 and 738,204.05
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Solution
The fourth proportional to 2,759,756.13, 4,139,343.05 and 738,204.05 is: 1,107,228.19
Step by Step Solution
- Step 1: Write the proportion equation
2,759,756.13 : 4,139,343.05 = 738,204.05 : x - Step 2: Convert to fraction form
2,759,756.13/4,139,343.05 = 738,204.05/x - Step 3: Cross multiply
2,759,756.13x = 4,139,343.05 × 738,204.05 - Step 4: Simplify right side
2,759,756.13x = 3,055,679,779,461.62 - Step 5: Solve for x
x = 3,055,679,779,461.62/2,759,756.13 - Step 6: Final answer
x = 1,107,228.19
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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.