Finding the Fourth Proportional to 1,484,620.20, 2,048,799.70 and 805,556.70
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Solution
The fourth proportional to 1,484,620.20, 2,048,799.70 and 805,556.70 is: 1,111,681.17
Step by Step Solution
- Step 1: Write the proportion equation
1,484,620.20 : 2,048,799.70 = 805,556.70 : x - Step 2: Convert to fraction form
1,484,620.20/2,048,799.70 = 805,556.70/x - Step 3: Cross multiply
1,484,620.20x = 2,048,799.70 × 805,556.70 - Step 4: Simplify right side
1,484,620.20x = 1,650,424,325,292.99 - Step 5: Solve for x
x = 1,650,424,325,292.99/1,484,620.20 - Step 6: Final answer
x = 1,111,681.17
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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.