Finding the Fourth Proportional to 6,168,875.36, 8,513,313.84 and 3,415,562.64
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Solution
The fourth proportional to 6,168,875.36, 8,513,313.84 and 3,415,562.64 is: 4,713,623.64
Step by Step Solution
- Step 1: Write the proportion equation
6,168,875.36 : 8,513,313.84 = 3,415,562.64 : x - Step 2: Convert to fraction form
6,168,875.36/8,513,313.84 = 3,415,562.64/x - Step 3: Cross multiply
6,168,875.36x = 8,513,313.84 × 3,415,562.64 - Step 4: Simplify right side
6,168,875.36x = 29,077,756,694,498.94 - Step 5: Solve for x
x = 29,077,756,694,498.94/6,168,875.36 - Step 6: Final answer
x = 4,713,623.64
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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.