Finding the Fourth Proportional to 1,354,938.30, 2,030,635.70 and 555,283.62
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Solution
The fourth proportional to 1,354,938.30, 2,030,635.70 and 555,283.62 is: 832,199.33
Step by Step Solution
- Step 1: Write the proportion equation
1,354,938.30 : 2,030,635.70 = 555,283.62 : x - Step 2: Convert to fraction form
1,354,938.30/2,030,635.70 = 555,283.62/x - Step 3: Cross multiply
1,354,938.30x = 2,030,635.70 × 555,283.62 - Step 4: Simplify right side
1,354,938.30x = 1,127,578,742,397.23 - Step 5: Solve for x
x = 1,127,578,742,397.23/1,354,938.30 - Step 6: Final answer
x = 832,199.33
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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.