Finding the Fourth Proportional to 3,806,373.25, 5,252,309.58 and 2,174,886.28
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Solution
The fourth proportional to 3,806,373.25, 5,252,309.58 and 2,174,886.28 is: 3,001,065.66
Step by Step Solution
- Step 1: Write the proportion equation
3,806,373.25 : 5,252,309.58 = 2,174,886.28 : x - Step 2: Convert to fraction form
3,806,373.25/5,252,309.58 = 2,174,886.28/x - Step 3: Cross multiply
3,806,373.25x = 5,252,309.58 × 2,174,886.28 - Step 4: Simplify right side
3,806,373.25x = 11,423,176,043,854.56 - Step 5: Solve for x
x = 11,423,176,043,854.56/3,806,373.25 - Step 6: Final answer
x = 3,001,065.66
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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.