Finding the Fourth Proportional to 2,660,619.81, 3,671,655.34 and 1,453,395.81
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Solution
The fourth proportional to 2,660,619.81, 3,671,655.34 and 1,453,395.81 is: 2,005,686.22
Step by Step Solution
- Step 1: Write the proportion equation
2,660,619.81 : 3,671,655.34 = 1,453,395.81 : x - Step 2: Convert to fraction form
2,660,619.81/3,671,655.34 = 1,453,395.81/x - Step 3: Cross multiply
2,660,619.81x = 3,671,655.34 × 1,453,395.81 - Step 4: Simplify right side
2,660,619.81x = 5,336,368,486,920.13 - Step 5: Solve for x
x = 5,336,368,486,920.13/2,660,619.81 - Step 6: Final answer
x = 2,005,686.22
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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.