Finding the Fourth Proportional to 5,607,784.16, 7,739,106.84 and 3,127,284.68
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Solution
The fourth proportional to 5,607,784.16, 7,739,106.84 and 3,127,284.68 is: 4,315,856.24
Step by Step Solution
- Step 1: Write the proportion equation
5,607,784.16 : 7,739,106.84 = 3,127,284.68 : x - Step 2: Convert to fraction form
5,607,784.16/7,739,106.84 = 3,127,284.68/x - Step 3: Cross multiply
5,607,784.16x = 7,739,106.84 × 3,127,284.68 - Step 4: Simplify right side
5,607,784.16x = 24,202,390,257,615.21 - Step 5: Solve for x
x = 24,202,390,257,615.21/5,607,784.16 - Step 6: Final answer
x = 4,315,856.24
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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.