Finding the Fourth Proportional to 2,146,148.24, 2,961,683.68 and 1,179,340.88
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Solution
The fourth proportional to 2,146,148.24, 2,961,683.68 and 1,179,340.88 is: 1,627,489.92
Step by Step Solution
- Step 1: Write the proportion equation
2,146,148.24 : 2,961,683.68 = 1,179,340.88 : x - Step 2: Convert to fraction form
2,146,148.24/2,961,683.68 = 1,179,340.88/x - Step 3: Cross multiply
2,146,148.24x = 2,961,683.68 × 1,179,340.88 - Step 4: Simplify right side
2,146,148.24x = 3,492,834,637,452.84 - Step 5: Solve for x
x = 3,492,834,637,452.84/2,146,148.24 - Step 6: Final answer
x = 1,627,489.92
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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.