Finding the Fourth Proportional to 6,810,461.43, 10,215,655.14 and 2,919,345.54
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Solution
The fourth proportional to 6,810,461.43, 10,215,655.14 and 2,919,345.54 is: 4,379,002.45
Step by Step Solution
- Step 1: Write the proportion equation
6,810,461.43 : 10,215,655.14 = 2,919,345.54 : x - Step 2: Convert to fraction form
6,810,461.43/10,215,655.14 = 2,919,345.54/x - Step 3: Cross multiply
6,810,461.43x = 10,215,655.14 × 2,919,345.54 - Step 4: Simplify right side
6,810,461.43x = 29,823,027,271,137.08 - Step 5: Solve for x
x = 29,823,027,271,137.08/6,810,461.43 - Step 6: Final answer
x = 4,379,002.45
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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.