Finding the Fourth Proportional to 4,722,386.32, 6,516,862.64 and 2,685,195.68
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Solution
The fourth proportional to 4,722,386.32, 6,516,862.64 and 2,685,195.68 is: 3,705,552.71
Step by Step Solution
- Step 1: Write the proportion equation
4,722,386.32 : 6,516,862.64 = 2,685,195.68 : x - Step 2: Convert to fraction form
4,722,386.32/6,516,862.64 = 2,685,195.68/x - Step 3: Cross multiply
4,722,386.32x = 6,516,862.64 × 2,685,195.68 - Step 4: Simplify right side
4,722,386.32x = 17,499,051,408,081.39 - Step 5: Solve for x
x = 17,499,051,408,081.39/4,722,386.32 - Step 6: Final answer
x = 3,705,552.71
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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.