Finding the Fourth Proportional to 2,051,906.01, 2,831,641.41 and 1,121,615.02
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Solution
The fourth proportional to 2,051,906.01, 2,831,641.41 and 1,121,615.02 is: 1,547,834.80
Step by Step Solution
- Step 1: Write the proportion equation
2,051,906.01 : 2,831,641.41 = 1,121,615.02 : x - Step 2: Convert to fraction form
2,051,906.01/2,831,641.41 = 1,121,615.02/x - Step 3: Cross multiply
2,051,906.01x = 2,831,641.41 × 1,121,615.02 - Step 4: Simplify right side
2,051,906.01x = 3,176,011,536,709.98 - Step 5: Solve for x
x = 3,176,011,536,709.98/2,051,906.01 - Step 6: Final answer
x = 1,547,834.80
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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.