Finding the Fourth Proportional to 4,671,591.40, 6,445,576.10 and 2,736,811.90
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Solution
The fourth proportional to 4,671,591.40, 6,445,576.10 and 2,736,811.90 is: 3,776,085.68
Step by Step Solution
- Step 1: Write the proportion equation
4,671,591.40 : 6,445,576.10 = 2,736,811.90 : x - Step 2: Convert to fraction form
4,671,591.40/6,445,576.10 = 2,736,811.90/x - Step 3: Cross multiply
4,671,591.40x = 6,445,576.10 × 2,736,811.90 - Step 4: Simplify right side
4,671,591.40x = 17,640,329,372,835.59 - Step 5: Solve for x
x = 17,640,329,372,835.59/4,671,591.40 - Step 6: Final answer
x = 3,776,085.68
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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.