Finding the Fourth Proportional to 2,637,811.77, 3,639,024.50 and 1,549,592.43
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Solution
The fourth proportional to 2,637,811.77, 3,639,024.50 and 1,549,592.43 is: 2,137,758.61
Step by Step Solution
- Step 1: Write the proportion equation
2,637,811.77 : 3,639,024.50 = 1,549,592.43 : x - Step 2: Convert to fraction form
2,637,811.77/3,639,024.50 = 1,549,592.43/x - Step 3: Cross multiply
2,637,811.77x = 3,639,024.50 × 1,549,592.43 - Step 4: Simplify right side
2,637,811.77x = 5,639,004,810,036.57 - Step 5: Solve for x
x = 5,639,004,810,036.57/2,637,811.77 - Step 6: Final answer
x = 2,137,758.61
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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.