Finding the Fourth Proportional to 2,127,395.84, 3,191,069.16 and 611,115.95
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Solution
The fourth proportional to 2,127,395.84, 3,191,069.16 and 611,115.95 is: 916,666.86
Step by Step Solution
- Step 1: Write the proportion equation
2,127,395.84 : 3,191,069.16 = 611,115.95 : x - Step 2: Convert to fraction form
2,127,395.84/3,191,069.16 = 611,115.95/x - Step 3: Cross multiply
2,127,395.84x = 3,191,069.16 × 611,115.95 - Step 4: Simplify right side
2,127,395.84x = 1,950,113,261,229.10 - Step 5: Solve for x
x = 1,950,113,261,229.10/2,127,395.84 - Step 6: Final answer
x = 916,666.86
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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.