Finding the Fourth Proportional to 2,831,986.16, 3,908,125.44 and 1,542,823.44
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Solution
The fourth proportional to 2,831,986.16, 3,908,125.44 and 1,542,823.44 is: 2,129,087.92
Step by Step Solution
- Step 1: Write the proportion equation
2,831,986.16 : 3,908,125.44 = 1,542,823.44 : x - Step 2: Convert to fraction form
2,831,986.16/3,908,125.44 = 1,542,823.44/x - Step 3: Cross multiply
2,831,986.16x = 3,908,125.44 × 1,542,823.44 - Step 4: Simplify right side
2,831,986.16x = 6,029,547,535,292.31 - Step 5: Solve for x
x = 6,029,547,535,292.31/2,831,986.16 - Step 6: Final answer
x = 2,129,087.92
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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.