Finding the Fourth Proportional to 4,673,291.40, 7,009,937.10 and 2,878,201.80
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Solution
The fourth proportional to 4,673,291.40, 7,009,937.10 and 2,878,201.80 is: 4,317,302.70
Step by Step Solution
- Step 1: Write the proportion equation
4,673,291.40 : 7,009,937.10 = 2,878,201.80 : x - Step 2: Convert to fraction form
4,673,291.40/7,009,937.10 = 2,878,201.80/x - Step 3: Cross multiply
4,673,291.40x = 7,009,937.10 × 2,878,201.80 - Step 4: Simplify right side
4,673,291.40x = 20,176,013,579,106.78 - Step 5: Solve for x
x = 20,176,013,579,106.78/4,673,291.40 - Step 6: Final answer
x = 4,317,302.70
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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.