Finding the Fourth Proportional to 2,316,367.90, 3,478,537.68 and 2,216,722.70
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Solution
The fourth proportional to 2,316,367.90, 3,478,537.68 and 2,216,722.70 is: 3,328,898.42
Step by Step Solution
- Step 1: Write the proportion equation
2,316,367.90 : 3,478,537.68 = 2,216,722.70 : x - Step 2: Convert to fraction form
2,316,367.90/3,478,537.68 = 2,216,722.70/x - Step 3: Cross multiply
2,316,367.90x = 3,478,537.68 × 2,216,722.70 - Step 4: Simplify right side
2,316,367.90x = 7,710,953,438,061.34 - Step 5: Solve for x
x = 7,710,953,438,061.34/2,316,367.90 - Step 6: Final answer
x = 3,328,898.42
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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.