Finding the Fourth Proportional to 1,919,941.84, 2,649,468.99 and 1,060,483.65
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Solution
The fourth proportional to 1,919,941.84, 2,649,468.99 and 1,060,483.65 is: 1,463,439.41
Step by Step Solution
- Step 1: Write the proportion equation
1,919,941.84 : 2,649,468.99 = 1,060,483.65 : x - Step 2: Convert to fraction form
1,919,941.84/2,649,468.99 = 1,060,483.65/x - Step 3: Cross multiply
1,919,941.84x = 2,649,468.99 × 1,060,483.65 - Step 4: Simplify right side
1,919,941.84x = 2,809,718,545,077.01 - Step 5: Solve for x
x = 2,809,718,545,077.01/1,919,941.84 - Step 6: Final answer
x = 1,463,439.41
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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.