Finding the Fourth Proportional to 4,014,440.23, 5,539,931.24 and 2,178,897.99
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Solution
The fourth proportional to 4,014,440.23, 5,539,931.24 and 2,178,897.99 is: 3,006,881.25
Step by Step Solution
- Step 1: Write the proportion equation
4,014,440.23 : 5,539,931.24 = 2,178,897.99 : x - Step 2: Convert to fraction form
4,014,440.23/5,539,931.24 = 2,178,897.99/x - Step 3: Cross multiply
4,014,440.23x = 5,539,931.24 × 2,178,897.99 - Step 4: Simplify right side
4,014,440.23x = 12,070,945,043,574.21 - Step 5: Solve for x
x = 12,070,945,043,574.21/4,014,440.23 - Step 6: Final answer
x = 3,006,881.25
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1.5x scale
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.