Finding the Fourth Proportional to 1,556,983.10, 2,148,689.70 and 903,558.53
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Solution
The fourth proportional to 1,556,983.10, 2,148,689.70 and 903,558.53 is: 1,246,941.54
Step by Step Solution
- Step 1: Write the proportion equation
1,556,983.10 : 2,148,689.70 = 903,558.53 : x - Step 2: Convert to fraction form
1,556,983.10/2,148,689.70 = 903,558.53/x - Step 3: Cross multiply
1,556,983.10x = 2,148,689.70 × 903,558.53 - Step 4: Simplify right side
1,556,983.10x = 1,941,466,906,758.14 - Step 5: Solve for x
x = 1,941,466,906,758.14/1,556,983.10 - Step 6: Final answer
x = 1,246,941.54
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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.