Finding the Fourth Proportional to 2,865,931.47, 3,954,985.18 and 1,576,744.18
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Solution
The fourth proportional to 2,865,931.47, 3,954,985.18 and 1,576,744.18 is: 2,175,906.83
Step by Step Solution
- Step 1: Write the proportion equation
2,865,931.47 : 3,954,985.18 = 1,576,744.18 : x - Step 2: Convert to fraction form
2,865,931.47/3,954,985.18 = 1,576,744.18/x - Step 3: Cross multiply
2,865,931.47x = 3,954,985.18 × 1,576,744.18 - Step 4: Simplify right side
2,865,931.47x = 6,235,999,850,721.93 - Step 5: Solve for x
x = 6,235,999,850,721.93/2,865,931.47 - Step 6: Final answer
x = 2,175,906.83
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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.