Finding the Fourth Proportional to 6,471,135.06, 8,930,353.21 and 3,570,712.74
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Solution
The fourth proportional to 6,471,135.06, 8,930,353.21 and 3,570,712.74 is: 4,927,686.67
Step by Step Solution
- Step 1: Write the proportion equation
6,471,135.06 : 8,930,353.21 = 3,570,712.74 : x - Step 2: Convert to fraction form
6,471,135.06/8,930,353.21 = 3,570,712.74/x - Step 3: Cross multiply
6,471,135.06x = 8,930,353.21 × 3,570,712.74 - Step 4: Simplify right side
6,471,135.06x = 31,887,725,970,720.11 - Step 5: Solve for x
x = 31,887,725,970,720.11/6,471,135.06 - Step 6: Final answer
x = 4,927,686.67
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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.