Finding the Fourth Proportional to 3,480,905.79, 4,803,953.97 and 2,031,068.31
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Solution
The fourth proportional to 3,480,905.79, 4,803,953.97 and 2,031,068.31 is: 2,803,051.64
Step by Step Solution
- Step 1: Write the proportion equation
3,480,905.79 : 4,803,953.97 = 2,031,068.31 : x - Step 2: Convert to fraction form
3,480,905.79/4,803,953.97 = 2,031,068.31/x - Step 3: Cross multiply
3,480,905.79x = 4,803,953.97 × 2,031,068.31 - Step 4: Simplify right side
3,480,905.79x = 9,757,158,671,165.69 - Step 5: Solve for x
x = 9,757,158,671,165.69/3,480,905.79 - Step 6: Final answer
x = 2,803,051.64
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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.