Finding the Fourth Proportional to 2,146,228.12, 2,958,835.26 and 1,712,118.84
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Solution
The fourth proportional to 2,146,228.12, 2,958,835.26 and 1,712,118.84 is: 2,360,363.07
Step by Step Solution
- Step 1: Write the proportion equation
2,146,228.12 : 2,958,835.26 = 1,712,118.84 : x - Step 2: Convert to fraction form
2,146,228.12/2,958,835.26 = 1,712,118.84/x - Step 3: Cross multiply
2,146,228.12x = 2,958,835.26 × 1,712,118.84 - Step 4: Simplify right side
2,146,228.12x = 5,065,877,593,102.30 - Step 5: Solve for x
x = 5,065,877,593,102.30/2,146,228.12 - Step 6: Final answer
x = 2,360,363.07
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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.