Finding the Fourth Proportional to 2,846,844.72, 3,928,258.12 and 1,700,681.68
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Solution
The fourth proportional to 2,846,844.72, 3,928,258.12 and 1,700,681.68 is: 2,346,709.17
Step by Step Solution
- Step 1: Write the proportion equation
2,846,844.72 : 3,928,258.12 = 1,700,681.68 : x - Step 2: Convert to fraction form
2,846,844.72/3,928,258.12 = 1,700,681.68/x - Step 3: Cross multiply
2,846,844.72x = 3,928,258.12 × 1,700,681.68 - Step 4: Simplify right side
2,846,844.72x = 6,680,716,618,995.24 - Step 5: Solve for x
x = 6,680,716,618,995.24/2,846,844.72 - Step 6: Final answer
x = 2,346,709.17
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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.