Finding the Fourth Proportional to 2,206,720.94, 3,046,633.52 and 1,749,681.68
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Solution
The fourth proportional to 2,206,720.94, 3,046,633.52 and 1,749,681.68 is: 2,415,637.95
Step by Step Solution
- Step 1: Write the proportion equation
2,206,720.94 : 3,046,633.52 = 1,749,681.68 : x - Step 2: Convert to fraction form
2,206,720.94/3,046,633.52 = 1,749,681.68/x - Step 3: Cross multiply
2,206,720.94x = 3,046,633.52 × 1,749,681.68 - Step 4: Simplify right side
2,206,720.94x = 5,330,638,831,636.34 - Step 5: Solve for x
x = 5,330,638,831,636.34/2,206,720.94 - Step 6: Final answer
x = 2,415,637.95
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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.