Finding the Fourth Proportional to 2,390,841.76, 3,299,364.14 and 1,303,114.23
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Solution
The fourth proportional to 2,390,841.76, 3,299,364.14 and 1,303,114.23 is: 1,798,299.01
Step by Step Solution
- Step 1: Write the proportion equation
2,390,841.76 : 3,299,364.14 = 1,303,114.23 : x - Step 2: Convert to fraction form
2,390,841.76/3,299,364.14 = 1,303,114.23/x - Step 3: Cross multiply
2,390,841.76x = 3,299,364.14 × 1,303,114.23 - Step 4: Simplify right side
2,390,841.76x = 4,299,448,360,785.71 - Step 5: Solve for x
x = 4,299,448,360,785.71/2,390,841.76 - Step 6: Final answer
x = 1,798,299.01
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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.