Finding the Fourth Proportional to 1,935,301.80, 2,670,877.98 and 1,075,942.02
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Solution
The fourth proportional to 1,935,301.80, 2,670,877.98 and 1,075,942.02 is: 1,484,889.77
Step by Step Solution
- Step 1: Write the proportion equation
1,935,301.80 : 2,670,877.98 = 1,075,942.02 : x - Step 2: Convert to fraction form
1,935,301.80/2,670,877.98 = 1,075,942.02/x - Step 3: Cross multiply
1,935,301.80x = 2,670,877.98 × 1,075,942.02 - Step 4: Simplify right side
1,935,301.80x = 2,873,709,848,974.72 - Step 5: Solve for x
x = 2,873,709,848,974.72/1,935,301.80 - Step 6: Final answer
x = 1,484,889.77
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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.