Finding the Fourth Proportional to 2,685,538.11, 3,706,089.74 and 1,461,878.80
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Solution
The fourth proportional to 2,685,538.11, 3,706,089.74 and 1,461,878.80 is: 2,017,418.41
Step by Step Solution
- Step 1: Write the proportion equation
2,685,538.11 : 3,706,089.74 = 1,461,878.80 : x - Step 2: Convert to fraction form
2,685,538.11/3,706,089.74 = 1,461,878.80/x - Step 3: Cross multiply
2,685,538.11x = 3,706,089.74 × 1,461,878.80 - Step 4: Simplify right side
2,685,538.11x = 5,417,854,021,803.51 - Step 5: Solve for x
x = 5,417,854,021,803.51/2,685,538.11 - Step 6: Final answer
x = 2,017,418.41
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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.