Finding the Fourth Proportional to 2,910,134.84, 4,016,109.98 and 1,620,975.80
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Solution
The fourth proportional to 2,910,134.84, 4,016,109.98 and 1,620,975.80 is: 2,237,015.62
Step by Step Solution
- Step 1: Write the proportion equation
2,910,134.84 : 4,016,109.98 = 1,620,975.80 : x - Step 2: Convert to fraction form
2,910,134.84/4,016,109.98 = 1,620,975.80/x - Step 3: Cross multiply
2,910,134.84x = 4,016,109.98 × 1,620,975.80 - Step 4: Simplify right side
2,910,134.84x = 6,510,017,087,718.49 - Step 5: Solve for x
x = 6,510,017,087,718.49/2,910,134.84 - Step 6: Final answer
x = 2,237,015.62
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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.