Finding the Fourth Proportional to 1,968,237.88, 2,716,177.98 and 1,108,811.68
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Solution
The fourth proportional to 1,968,237.88, 2,716,177.98 and 1,108,811.68 is: 1,530,165.59
Step by Step Solution
- Step 1: Write the proportion equation
1,968,237.88 : 2,716,177.98 = 1,108,811.68 : x - Step 2: Convert to fraction form
1,968,237.88/2,716,177.98 = 1,108,811.68/x - Step 3: Cross multiply
1,968,237.88x = 2,716,177.98 × 1,108,811.68 - Step 4: Simplify right side
1,968,237.88x = 3,011,729,869,182.81 - Step 5: Solve for x
x = 3,011,729,869,182.81/1,968,237.88 - Step 6: Final answer
x = 1,530,165.59
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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.