Finding the Fourth Proportional to 1,878,882.84, 2,817,125.42 and 1,238,447.16
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Solution
The fourth proportional to 1,878,882.84, 2,817,125.42 and 1,238,447.16 is: 1,856,880.54
Step by Step Solution
- Step 1: Write the proportion equation
1,878,882.84 : 2,817,125.42 = 1,238,447.16 : x - Step 2: Convert to fraction form
1,878,882.84/2,817,125.42 = 1,238,447.16/x - Step 3: Cross multiply
1,878,882.84x = 2,817,125.42 × 1,238,447.16 - Step 4: Simplify right side
1,878,882.84x = 3,488,860,975,762.81 - Step 5: Solve for x
x = 3,488,860,975,762.81/1,878,882.84 - Step 6: Final answer
x = 1,856,880.54
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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.