Finding the Fourth Proportional to 1,938,032.68, 2,674,485.11 and 1,078,795.92
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Solution
The fourth proportional to 1,938,032.68, 2,674,485.11 and 1,078,795.92 is: 1,488,738.38
Step by Step Solution
- Step 1: Write the proportion equation
1,938,032.68 : 2,674,485.11 = 1,078,795.92 : x - Step 2: Convert to fraction form
1,938,032.68/2,674,485.11 = 1,078,795.92/x - Step 3: Cross multiply
1,938,032.68x = 2,674,485.11 × 1,078,795.92 - Step 4: Simplify right side
1,938,032.68x = 2,885,223,624,768.75 - Step 5: Solve for x
x = 2,885,223,624,768.75/1,938,032.68 - Step 6: Final answer
x = 1,488,738.38
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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.