Finding the Fourth Proportional to 2,417,422.39, 3,336,130.59 and 1,329,778.08
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Solution
The fourth proportional to 2,417,422.39, 3,336,130.59 and 1,329,778.08 is: 1,835,141.99
Step by Step Solution
- Step 1: Write the proportion equation
2,417,422.39 : 3,336,130.59 = 1,329,778.08 : x - Step 2: Convert to fraction form
2,417,422.39/3,336,130.59 = 1,329,778.08/x - Step 3: Cross multiply
2,417,422.39x = 3,336,130.59 × 1,329,778.08 - Step 4: Simplify right side
2,417,422.39x = 4,436,313,330,599.47 - Step 5: Solve for x
x = 4,436,313,330,599.47/2,417,422.39 - Step 6: Final answer
x = 1,835,141.99
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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.