Finding the Fourth Proportional to 4,032,434.12, 5,564,742.28 and 2,196,886.68
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Solution
The fourth proportional to 4,032,434.12, 5,564,742.28 and 2,196,886.68 is: 3,031,694.47
Step by Step Solution
- Step 1: Write the proportion equation
4,032,434.12 : 5,564,742.28 = 2,196,886.68 : x - Step 2: Convert to fraction form
4,032,434.12/5,564,742.28 = 2,196,886.68/x - Step 3: Cross multiply
4,032,434.12x = 5,564,742.28 × 2,196,886.68 - Step 4: Simplify right side
4,032,434.12x = 12,225,108,187,072.62 - Step 5: Solve for x
x = 12,225,108,187,072.62/4,032,434.12 - Step 6: Final answer
x = 3,031,694.47
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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.