Finding the Fourth Proportional to 2,146,701.18, 2,961,214.08 and 1,340,485.50
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Solution
The fourth proportional to 2,146,701.18, 2,961,214.08 and 1,340,485.50 is: 1,849,099.71
Step by Step Solution
- Step 1: Write the proportion equation
2,146,701.18 : 2,961,214.08 = 1,340,485.50 : x - Step 2: Convert to fraction form
2,146,701.18/2,961,214.08 = 1,340,485.50/x - Step 3: Cross multiply
2,146,701.18x = 2,961,214.08 × 1,340,485.50 - Step 4: Simplify right side
2,146,701.18x = 3,969,464,536,635.84 - Step 5: Solve for x
x = 3,969,464,536,635.84/2,146,701.18 - Step 6: Final answer
x = 1,849,099.71
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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.