Finding the Fourth Proportional to 1,503,870.99, 2,075,358.06 and 815,544.15
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Solution
The fourth proportional to 1,503,870.99, 2,075,358.06 and 815,544.15 is: 1,125,459.65
Step by Step Solution
- Step 1: Write the proportion equation
1,503,870.99 : 2,075,358.06 = 815,544.15 : x - Step 2: Convert to fraction form
1,503,870.99/2,075,358.06 = 815,544.15/x - Step 3: Cross multiply
1,503,870.99x = 2,075,358.06 × 815,544.15 - Step 4: Simplify right side
1,503,870.99x = 1,692,546,124,988.35 - Step 5: Solve for x
x = 1,692,546,124,988.35/1,503,870.99 - Step 6: Final answer
x = 1,125,459.65
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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.