Finding the Fourth Proportional to 2,586,029.58, 3,566,885.49 and 2,196,153.09
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Solution
The fourth proportional to 2,586,029.58, 3,566,885.49 and 2,196,153.09 is: 3,029,132.63
Step by Step Solution
- Step 1: Write the proportion equation
2,586,029.58 : 3,566,885.49 = 2,196,153.09 : x - Step 2: Convert to fraction form
2,586,029.58/3,566,885.49 = 2,196,153.09/x - Step 3: Cross multiply
2,586,029.58x = 3,566,885.49 × 2,196,153.09 - Step 4: Simplify right side
2,586,029.58x = 7,833,426,590,539.66 - Step 5: Solve for x
x = 7,833,426,590,539.66/2,586,029.58 - Step 6: Final answer
x = 3,029,132.63
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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.