Finding the Fourth Proportional to 1,852,428.70, 2,556,470.19 and 1,036,726.30
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Solution
The fourth proportional to 1,852,428.70, 2,556,470.19 and 1,036,726.30 is: 1,430,748.66
Step by Step Solution
- Step 1: Write the proportion equation
1,852,428.70 : 2,556,470.19 = 1,036,726.30 : x - Step 2: Convert to fraction form
1,852,428.70/2,556,470.19 = 1,036,726.30/x - Step 3: Cross multiply
1,852,428.70x = 2,556,470.19 × 1,036,726.30 - Step 4: Simplify right side
1,852,428.70x = 2,650,359,881,139.00 - Step 5: Solve for x
x = 2,650,359,881,139.00/1,852,428.70 - Step 6: Final answer
x = 1,430,748.66
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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.