Finding the Fourth Proportional to 2,636,259.26, 3,638,159.08 and 1,490,387.90
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Solution
The fourth proportional to 2,636,259.26, 3,638,159.08 and 1,490,387.90 is: 2,056,803.87
Step by Step Solution
- Step 1: Write the proportion equation
2,636,259.26 : 3,638,159.08 = 1,490,387.90 : x - Step 2: Convert to fraction form
2,636,259.26/3,638,159.08 = 1,490,387.90/x - Step 3: Cross multiply
2,636,259.26x = 3,638,159.08 × 1,490,387.90 - Step 4: Simplify right side
2,636,259.26x = 5,422,268,249,190.37 - Step 5: Solve for x
x = 5,422,268,249,190.37/2,636,259.26 - Step 6: Final answer
x = 2,056,803.87
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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.