Finding the Fourth Proportional to 1,881,231.76, 2,596,118.88 and 1,021,808.80
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Solution
The fourth proportional to 1,881,231.76, 2,596,118.88 and 1,021,808.80 is: 1,410,106.49
Step by Step Solution
- Step 1: Write the proportion equation
1,881,231.76 : 2,596,118.88 = 1,021,808.80 : x - Step 2: Convert to fraction form
1,881,231.76/2,596,118.88 = 1,021,808.80/x - Step 3: Cross multiply
1,881,231.76x = 2,596,118.88 × 1,021,808.80 - Step 4: Simplify right side
1,881,231.76x = 2,652,737,117,430.14 - Step 5: Solve for x
x = 2,652,737,117,430.14/1,881,231.76 - Step 6: Final answer
x = 1,410,106.49
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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.