Finding the Fourth Proportional to 4,655,547.60, 6,427,607.40 and 3,187,912.08
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Solution
The fourth proportional to 4,655,547.60, 6,427,607.40 and 3,187,912.08 is: 4,401,339.87
Step by Step Solution
- Step 1: Write the proportion equation
4,655,547.60 : 6,427,607.40 = 3,187,912.08 : x - Step 2: Convert to fraction form
4,655,547.60/6,427,607.40 = 3,187,912.08/x - Step 3: Cross multiply
4,655,547.60x = 6,427,607.40 × 3,187,912.08 - Step 4: Simplify right side
4,655,547.60x = 20,490,647,275,957.39 - Step 5: Solve for x
x = 20,490,647,275,957.39/4,655,547.60 - Step 6: Final answer
x = 4,401,339.87
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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.