Finding the Fourth Proportional to 7,742,220.71, 11,612,580.59 and 2,350,918.49
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Solution
The fourth proportional to 7,742,220.71, 11,612,580.59 and 2,350,918.49 is: 3,526,149.85
Step by Step Solution
- Step 1: Write the proportion equation
7,742,220.71 : 11,612,580.59 = 2,350,918.49 : x - Step 2: Convert to fraction form
7,742,220.71/11,612,580.59 = 2,350,918.49/x - Step 3: Cross multiply
7,742,220.71x = 11,612,580.59 × 2,350,918.49 - Step 4: Simplify right side
7,742,220.71x = 27,300,230,373,460.50 - Step 5: Solve for x
x = 27,300,230,373,460.50/7,742,220.71 - Step 6: Final answer
x = 3,526,149.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.