Finding the Fourth Proportional to 3,077,621.40, 4,246,985.38 and 1,700,893.96
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Solution
The fourth proportional to 3,077,621.40, 4,246,985.38 and 1,700,893.96 is: 2,347,160.63
Step by Step Solution
- Step 1: Write the proportion equation
3,077,621.40 : 4,246,985.38 = 1,700,893.96 : x - Step 2: Convert to fraction form
3,077,621.40/4,246,985.38 = 1,700,893.96/x - Step 3: Cross multiply
3,077,621.40x = 4,246,985.38 × 1,700,893.96 - Step 4: Simplify right side
3,077,621.40x = 7,223,671,781,050.31 - Step 5: Solve for x
x = 7,223,671,781,050.31/3,077,621.40 - Step 6: Final answer
x = 2,347,160.63
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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.