Finding the Fourth Proportional to 2,579,494.36, 3,869,236.86 and 686,235.76
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Solution
The fourth proportional to 2,579,494.36, 3,869,236.86 and 686,235.76 is: 1,029,352.39
Step by Step Solution
- Step 1: Write the proportion equation
2,579,494.36 : 3,869,236.86 = 686,235.76 : x - Step 2: Convert to fraction form
2,579,494.36/3,869,236.86 = 686,235.76/x - Step 3: Cross multiply
2,579,494.36x = 3,869,236.86 × 686,235.76 - Step 4: Simplify right side
2,579,494.36x = 2,655,208,697,242.11 - Step 5: Solve for x
x = 2,655,208,697,242.11/2,579,494.36 - Step 6: Final answer
x = 1,029,352.39
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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.