Finding the Fourth Proportional to 2,767,625.63, 3,819,312.76 and 1,543,930.18
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Solution
The fourth proportional to 2,767,625.63, 3,819,312.76 and 1,543,930.18 is: 2,130,617.72
Step by Step Solution
- Step 1: Write the proportion equation
2,767,625.63 : 3,819,312.76 = 1,543,930.18 : x - Step 2: Convert to fraction form
2,767,625.63/3,819,312.76 = 1,543,930.18/x - Step 3: Cross multiply
2,767,625.63x = 3,819,312.76 × 1,543,930.18 - Step 4: Simplify right side
2,767,625.63x = 5,896,752,217,926.53 - Step 5: Solve for x
x = 5,896,752,217,926.53/2,767,625.63 - Step 6: Final answer
x = 2,130,617.72
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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.