Finding the Fourth Proportional to 2,919,929.91, 4,028,918.09 and 1,630,571.91
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Solution
The fourth proportional to 2,919,929.91, 4,028,918.09 and 1,630,571.91 is: 2,249,862.45
Step by Step Solution
- Step 1: Write the proportion equation
2,919,929.91 : 4,028,918.09 = 1,630,571.91 : x - Step 2: Convert to fraction form
2,919,929.91/4,028,918.09 = 1,630,571.91/x - Step 3: Cross multiply
2,919,929.91x = 4,028,918.09 × 1,630,571.91 - Step 4: Simplify right side
2,919,929.91x = 6,569,440,665,244.85 - Step 5: Solve for x
x = 6,569,440,665,244.85/2,919,929.91 - Step 6: Final answer
x = 2,249,862.45
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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.