Finding the Fourth Proportional to 5,484,439.96, 8,221,621.78 and 1,889,352.12
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Solution
The fourth proportional to 5,484,439.96, 8,221,621.78 and 1,889,352.12 is: 2,832,292.57
Step by Step Solution
- Step 1: Write the proportion equation
5,484,439.96 : 8,221,621.78 = 1,889,352.12 : x - Step 2: Convert to fraction form
5,484,439.96/8,221,621.78 = 1,889,352.12/x - Step 3: Cross multiply
5,484,439.96x = 8,221,621.78 × 1,889,352.12 - Step 4: Simplify right side
5,484,439.96x = 15,533,538,539,881.18 - Step 5: Solve for x
x = 15,533,538,539,881.18/5,484,439.96 - Step 6: Final answer
x = 2,832,292.57
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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.