Finding the Fourth Proportional to 2,113,479.87, 2,916,607.80 and 1,146,610.14
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Solution
The fourth proportional to 2,113,479.87, 2,916,607.80 and 1,146,610.14 is: 1,582,325.02
Step by Step Solution
- Step 1: Write the proportion equation
2,113,479.87 : 2,916,607.80 = 1,146,610.14 : x - Step 2: Convert to fraction form
2,113,479.87/2,916,607.80 = 1,146,610.14/x - Step 3: Cross multiply
2,113,479.87x = 2,916,607.80 × 1,146,610.14 - Step 4: Simplify right side
2,113,479.87x = 3,344,212,077,883.09 - Step 5: Solve for x
x = 3,344,212,077,883.09/2,113,479.87 - Step 6: Final answer
x = 1,582,325.02
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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.