Finding the Fourth Proportional to 2,065,709.70, 3,098,564.55 and 549,389.70
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Solution
The fourth proportional to 2,065,709.70, 3,098,564.55 and 549,389.70 is: 824,084.55
Step by Step Solution
- Step 1: Write the proportion equation
2,065,709.70 : 3,098,564.55 = 549,389.70 : x - Step 2: Convert to fraction form
2,065,709.70/3,098,564.55 = 549,389.70/x - Step 3: Cross multiply
2,065,709.70x = 3,098,564.55 × 549,389.70 - Step 4: Simplify right side
2,065,709.70x = 1,702,319,448,555.13 - Step 5: Solve for x
x = 1,702,319,448,555.13/2,065,709.70 - Step 6: Final answer
x = 824,084.55
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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.