Finding the Fourth Proportional to 4,528,710, 6,249,619.80 and 2,491,475.76
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Solution
The fourth proportional to 4,528,710, 6,249,619.80 and 2,491,475.76 is: 3,438,236.55
Step by Step Solution
- Step 1: Write the proportion equation
4,528,710 : 6,249,619.80 = 2,491,475.76 : x - Step 2: Convert to fraction form
4,528,710/6,249,619.80 = 2,491,475.76/x - Step 3: Cross multiply
4,528,710x = 6,249,619.80 × 2,491,475.76 - Step 4: Simplify right side
4,528,710x = 15,570,776,240,916.05 - Step 5: Solve for x
x = 15,570,776,240,916.05/4,528,710 - Step 6: Final answer
x = 3,438,236.55
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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.