Finding the Fourth Proportional to 2,140,631.84, 3,211,483.26 and 1,510,775.84
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Solution
The fourth proportional to 2,140,631.84, 3,211,483.26 and 1,510,775.84 is: 2,266,541.70
Step by Step Solution
- Step 1: Write the proportion equation
2,140,631.84 : 3,211,483.26 = 1,510,775.84 : x - Step 2: Convert to fraction form
2,140,631.84/3,211,483.26 = 1,510,775.84/x - Step 3: Cross multiply
2,140,631.84x = 3,211,483.26 × 1,510,775.84 - Step 4: Simplify right side
2,140,631.84x = 4,851,831,319,772.44 - Step 5: Solve for x
x = 4,851,831,319,772.44/2,140,631.84 - Step 6: Final answer
x = 2,266,541.70
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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.