Finding the Fourth Proportional to 2,138,371.74, 2,950,928.57 and 1,158,292.29
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Solution
The fourth proportional to 2,138,371.74, 2,950,928.57 and 1,158,292.29 is: 1,598,430.12
Step by Step Solution
- Step 1: Write the proportion equation
2,138,371.74 : 2,950,928.57 = 1,158,292.29 : x - Step 2: Convert to fraction form
2,138,371.74/2,950,928.57 = 1,158,292.29/x - Step 3: Cross multiply
2,138,371.74x = 2,950,928.57 × 1,158,292.29 - Step 4: Simplify right side
2,138,371.74x = 3,418,037,805,180.26 - Step 5: Solve for x
x = 3,418,037,805,180.26/2,138,371.74 - Step 6: Final answer
x = 1,598,430.12
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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.