Finding the Fourth Proportional to 4,291,709.90, 6,437,564.85 and 3,818,929.10
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Solution
The fourth proportional to 4,291,709.90, 6,437,564.85 and 3,818,929.10 is: 5,728,393.65
Step by Step Solution
- Step 1: Write the proportion equation
4,291,709.90 : 6,437,564.85 = 3,818,929.10 : x - Step 2: Convert to fraction form
4,291,709.90/6,437,564.85 = 3,818,929.10/x - Step 3: Cross multiply
4,291,709.90x = 6,437,564.85 × 3,818,929.10 - Step 4: Simplify right side
4,291,709.90x = 24,584,603,738,802.13 - Step 5: Solve for x
x = 24,584,603,738,802.13/4,291,709.90 - Step 6: Final answer
x = 5,728,393.65
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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.