Finding the Fourth Proportional to 1,906,952.04, 2,631,615.14 and 1,122,191.45
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Solution
The fourth proportional to 1,906,952.04, 2,631,615.14 and 1,122,191.45 is: 1,548,636.75
Step by Step Solution
- Step 1: Write the proportion equation
1,906,952.04 : 2,631,615.14 = 1,122,191.45 : x - Step 2: Convert to fraction form
1,906,952.04/2,631,615.14 = 1,122,191.45/x - Step 3: Cross multiply
1,906,952.04x = 2,631,615.14 × 1,122,191.45 - Step 4: Simplify right side
1,906,952.04x = 2,953,176,007,355.78 - Step 5: Solve for x
x = 2,953,176,007,355.78/1,906,952.04 - Step 6: Final answer
x = 1,548,636.75
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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.