Finding the Fourth Proportional to 1,867,471.70, 2,577,075.95 and 1,142,266.14
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Solution
The fourth proportional to 1,867,471.70, 2,577,075.95 and 1,142,266.14 is: 1,576,305.87
Step by Step Solution
- Step 1: Write the proportion equation
1,867,471.70 : 2,577,075.95 = 1,142,266.14 : x - Step 2: Convert to fraction form
1,867,471.70/2,577,075.95 = 1,142,266.14/x - Step 3: Cross multiply
1,867,471.70x = 2,577,075.95 × 1,142,266.14 - Step 4: Simplify right side
1,867,471.70x = 2,943,706,606,129.54 - Step 5: Solve for x
x = 2,943,706,606,129.54/1,867,471.70 - Step 6: Final answer
x = 1,576,305.87
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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.