Finding the Fourth Proportional to 3,751,973.63, 5,626,581.80 and 1,289,291.05
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Solution
The fourth proportional to 3,751,973.63, 5,626,581.80 and 1,289,291.05 is: 1,933,462.83
Step by Step Solution
- Step 1: Write the proportion equation
3,751,973.63 : 5,626,581.80 = 1,289,291.05 : x - Step 2: Convert to fraction form
3,751,973.63/5,626,581.80 = 1,289,291.05/x - Step 3: Cross multiply
3,751,973.63x = 5,626,581.80 × 1,289,291.05 - Step 4: Simplify right side
3,751,973.63x = 7,254,301,528,699.98 - Step 5: Solve for x
x = 7,254,301,528,699.98/3,751,973.63 - Step 6: Final answer
x = 1,933,462.83
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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.