Finding the Fourth Proportional to 5,742,306.09, 7,924,940.85 and 4,289,479.26
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Solution
The fourth proportional to 5,742,306.09, 7,924,940.85 and 4,289,479.26 is: 5,919,898.54
Step by Step Solution
- Step 1: Write the proportion equation
5,742,306.09 : 7,924,940.85 = 4,289,479.26 : x - Step 2: Convert to fraction form
5,742,306.09/7,924,940.85 = 4,289,479.26/x - Step 3: Cross multiply
5,742,306.09x = 7,924,940.85 × 4,289,479.26 - Step 4: Simplify right side
5,742,306.09x = 33,993,869,412,801.77 - Step 5: Solve for x
x = 33,993,869,412,801.77/5,742,306.09 - Step 6: Final answer
x = 5,919,898.54
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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.