Finding the Fourth Proportional to 3,621,895.80, 5,432,511.54 and 1,225,465.95
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Solution
The fourth proportional to 3,621,895.80, 5,432,511.54 and 1,225,465.95 is: 1,838,086.54
Step by Step Solution
- Step 1: Write the proportion equation
3,621,895.80 : 5,432,511.54 = 1,225,465.95 : x - Step 2: Convert to fraction form
3,621,895.80/5,432,511.54 = 1,225,465.95/x - Step 3: Cross multiply
3,621,895.80x = 5,432,511.54 × 1,225,465.95 - Step 4: Simplify right side
3,621,895.80x = 6,657,357,915,252.06 - Step 5: Solve for x
x = 6,657,357,915,252.06/3,621,895.80 - Step 6: Final answer
x = 1,838,086.54
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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.