Finding the Fourth Proportional to 3,572,693.24, 5,352,799.56 and 2,977,479.32
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Solution
The fourth proportional to 3,572,693.24, 5,352,799.56 and 2,977,479.32 is: 4,461,018.32
Step by Step Solution
- Step 1: Write the proportion equation
3,572,693.24 : 5,352,799.56 = 2,977,479.32 : x - Step 2: Convert to fraction form
3,572,693.24/5,352,799.56 = 2,977,479.32/x - Step 3: Cross multiply
3,572,693.24x = 5,352,799.56 × 2,977,479.32 - Step 4: Simplify right side
3,572,693.24x = 15,937,849,994,005.10 - Step 5: Solve for x
x = 15,937,849,994,005.10/3,572,693.24 - Step 6: Final answer
x = 4,461,018.32
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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.