Finding the Fourth Proportional to 7,609,165.12, 10,500,646.96 and 4,171,430.44
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Solution
The fourth proportional to 7,609,165.12, 10,500,646.96 and 4,171,430.44 is: 5,756,573.51
Step by Step Solution
- Step 1: Write the proportion equation
7,609,165.12 : 10,500,646.96 = 4,171,430.44 : x - Step 2: Convert to fraction form
7,609,165.12/10,500,646.96 = 4,171,430.44/x - Step 3: Cross multiply
7,609,165.12x = 10,500,646.96 × 4,171,430.44 - Step 4: Simplify right side
7,609,165.12x = 43,802,718,368,637.47 - Step 5: Solve for x
x = 43,802,718,368,637.47/7,609,165.12 - Step 6: Final answer
x = 5,756,573.51
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1.5x scale
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.