Finding the Fourth Proportional to 2,402,416.99, 3,315,335.49 and 1,314,688.62
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Solution
The fourth proportional to 2,402,416.99, 3,315,335.49 and 1,314,688.62 is: 1,814,270.32
Step by Step Solution
- Step 1: Write the proportion equation
2,402,416.99 : 3,315,335.49 = 1,314,688.62 : x - Step 2: Convert to fraction form
2,402,416.99/3,315,335.49 = 1,314,688.62/x - Step 3: Cross multiply
2,402,416.99x = 3,315,335.49 × 1,314,688.62 - Step 4: Simplify right side
2,402,416.99x = 4,358,633,856,315.33 - Step 5: Solve for x
x = 4,358,633,856,315.33/2,402,416.99 - Step 6: Final answer
x = 1,814,270.32
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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.