Finding the Fourth Proportional to 3,219,097.20, 4,828,645.80 and 975,235.20
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Solution
The fourth proportional to 3,219,097.20, 4,828,645.80 and 975,235.20 is: 1,462,852.80
Step by Step Solution
- Step 1: Write the proportion equation
3,219,097.20 : 4,828,645.80 = 975,235.20 : x - Step 2: Convert to fraction form
3,219,097.20/4,828,645.80 = 975,235.20/x - Step 3: Cross multiply
3,219,097.20x = 4,828,645.80 × 975,235.20 - Step 4: Simplify right side
3,219,097.20x = 4,709,065,352,492.16 - Step 5: Solve for x
x = 4,709,065,352,492.16/3,219,097.20 - Step 6: Final answer
x = 1,462,852.80
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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.