Finding the Fourth Proportional to 1,576,923.12, 2,175,392.88 and 1,032,819.48
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Solution
The fourth proportional to 1,576,923.12, 2,175,392.88 and 1,032,819.48 is: 1,424,792.44
Step by Step Solution
- Step 1: Write the proportion equation
1,576,923.12 : 2,175,392.88 = 1,032,819.48 : x - Step 2: Convert to fraction form
1,576,923.12/2,175,392.88 = 1,032,819.48/x - Step 3: Cross multiply
1,576,923.12x = 2,175,392.88 × 1,032,819.48 - Step 4: Simplify right side
1,576,923.12x = 2,246,788,143,117.30 - Step 5: Solve for x
x = 2,246,788,143,117.30/1,576,923.12 - Step 6: Final answer
x = 1,424,792.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.