Finding the Fourth Proportional to 3,926,903.85, 5,889,699.68 and 1,087,303.05
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Solution
The fourth proportional to 3,926,903.85, 5,889,699.68 and 1,087,303.05 is: 1,630,772.91
Step by Step Solution
- Step 1: Write the proportion equation
3,926,903.85 : 5,889,699.68 = 1,087,303.05 : x - Step 2: Convert to fraction form
3,926,903.85/5,889,699.68 = 1,087,303.05/x - Step 3: Cross multiply
3,926,903.85x = 5,889,699.68 × 1,087,303.05 - Step 4: Simplify right side
3,926,903.85x = 6,403,888,420,211.51 - Step 5: Solve for x
x = 6,403,888,420,211.51/3,926,903.85 - Step 6: Final answer
x = 1,630,772.91
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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.