Finding the Fourth Proportional to 1,575,660.43, 2,175,416.99 and 1,285,964.02
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Solution
The fourth proportional to 1,575,660.43, 2,175,416.99 and 1,285,964.02 is: 1,775,451.06
Step by Step Solution
- Step 1: Write the proportion equation
1,575,660.43 : 2,175,416.99 = 1,285,964.02 : x - Step 2: Convert to fraction form
1,575,660.43/2,175,416.99 = 1,285,964.02/x - Step 3: Cross multiply
1,575,660.43x = 2,175,416.99 × 1,285,964.02 - Step 4: Simplify right side
1,575,660.43x = 2,797,507,977,636.70 - Step 5: Solve for x
x = 2,797,507,977,636.70/1,575,660.43 - Step 6: Final answer
x = 1,775,451.06
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.