Finding the Fourth Proportional to 1,576,411.13, 2,364,948.80 and 511,370.03
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Solution
The fourth proportional to 1,576,411.13, 2,364,948.80 and 511,370.03 is: 767,162.78
Step by Step Solution
- Step 1: Write the proportion equation
1,576,411.13 : 2,364,948.80 = 511,370.03 : x - Step 2: Convert to fraction form
1,576,411.13/2,364,948.80 = 511,370.03/x - Step 3: Cross multiply
1,576,411.13x = 2,364,948.80 × 511,370.03 - Step 4: Simplify right side
1,576,411.13x = 1,209,363,938,804.46 - Step 5: Solve for x
x = 1,209,363,938,804.46/1,576,411.13 - Step 6: Final answer
x = 767,162.78
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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.