Finding the Fourth Proportional to 4,655,547.58, 6,427,607.46 and 3,187,912.12
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Solution
The fourth proportional to 4,655,547.58, 6,427,607.46 and 3,187,912.12 is: 4,401,339.99
Step by Step Solution
- Step 1: Write the proportion equation
4,655,547.58 : 6,427,607.46 = 3,187,912.12 : x - Step 2: Convert to fraction form
4,655,547.58/6,427,607.46 = 3,187,912.12/x - Step 3: Cross multiply
4,655,547.58x = 6,427,607.46 × 3,187,912.12 - Step 4: Simplify right side
4,655,547.58x = 20,490,647,724,336.41 - Step 5: Solve for x
x = 20,490,647,724,336.41/4,655,547.58 - Step 6: Final answer
x = 4,401,339.99
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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.