Finding the Fourth Proportional to 2,642,746.70, 3,646,929.32 and 1,540,107.88
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Solution
The fourth proportional to 2,642,746.70, 3,646,929.32 and 1,540,107.88 is: 2,125,313.25
Step by Step Solution
- Step 1: Write the proportion equation
2,642,746.70 : 3,646,929.32 = 1,540,107.88 : x - Step 2: Convert to fraction form
2,642,746.70/3,646,929.32 = 1,540,107.88/x - Step 3: Cross multiply
2,642,746.70x = 3,646,929.32 × 1,540,107.88 - Step 4: Simplify right side
2,642,746.70x = 5,616,664,572,492.58 - Step 5: Solve for x
x = 5,616,664,572,492.58/2,642,746.70 - Step 6: Final answer
x = 2,125,313.25
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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.