Finding the Fourth Proportional to 4,745,262.12, 7,116,422.40 and 1,712,235.75
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Solution
The fourth proportional to 4,745,262.12, 7,116,422.40 and 1,712,235.75 is: 2,567,822.92
Step by Step Solution
- Step 1: Write the proportion equation
4,745,262.12 : 7,116,422.40 = 1,712,235.75 : x - Step 2: Convert to fraction form
4,745,262.12/7,116,422.40 = 1,712,235.75/x - Step 3: Cross multiply
4,745,262.12x = 7,116,422.40 × 1,712,235.75 - Step 4: Simplify right side
4,745,262.12x = 12,184,992,845,380.80 - Step 5: Solve for x
x = 12,184,992,845,380.80/4,745,262.12 - Step 6: Final answer
x = 2,567,822.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.