Finding the Fourth Proportional to 2,650,986.94, 3,658,137.28 and 1,489,342.06
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Solution
The fourth proportional to 2,650,986.94, 3,658,137.28 and 1,489,342.06 is: 2,055,165.81
Step by Step Solution
- Step 1: Write the proportion equation
2,650,986.94 : 3,658,137.28 = 1,489,342.06 : x - Step 2: Convert to fraction form
2,650,986.94/3,658,137.28 = 1,489,342.06/x - Step 3: Cross multiply
2,650,986.94x = 3,658,137.28 × 1,489,342.06 - Step 4: Simplify right side
2,650,986.94x = 5,448,217,712,358.00 - Step 5: Solve for x
x = 5,448,217,712,358.00/2,650,986.94 - Step 6: Final answer
x = 2,055,165.81
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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.