Finding the Fourth Proportional to 4,188,343.84, 6,281,767.92 and 1,114,352.32
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Solution
The fourth proportional to 4,188,343.84, 6,281,767.92 and 1,114,352.32 is: 1,671,329.51
Step by Step Solution
- Step 1: Write the proportion equation
4,188,343.84 : 6,281,767.92 = 1,114,352.32 : x - Step 2: Convert to fraction form
4,188,343.84/6,281,767.92 = 1,114,352.32/x - Step 3: Cross multiply
4,188,343.84x = 6,281,767.92 × 1,114,352.32 - Step 4: Simplify right side
4,188,343.84x = 7,000,102,655,353.58 - Step 5: Solve for x
x = 7,000,102,655,353.58/4,188,343.84 - Step 6: Final answer
x = 1,671,329.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.