Finding the Fourth Proportional to 1,963,585.41, 2,709,764.01 and 1,104,138.15
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Solution
The fourth proportional to 1,963,585.41, 2,709,764.01 and 1,104,138.15 is: 1,523,719.72
Step by Step Solution
- Step 1: Write the proportion equation
1,963,585.41 : 2,709,764.01 = 1,104,138.15 : x - Step 2: Convert to fraction form
1,963,585.41/2,709,764.01 = 1,104,138.15/x - Step 3: Cross multiply
1,963,585.41x = 2,709,764.01 × 1,104,138.15 - Step 4: Simplify right side
1,963,585.41x = 2,991,953,820,937.98 - Step 5: Solve for x
x = 2,991,953,820,937.98/1,963,585.41 - Step 6: Final answer
x = 1,523,719.72
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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.