Finding the Fourth Proportional to 4,390,784.21, 6,586,803.71 and 1,358,408.93
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Solution
The fourth proportional to 4,390,784.21, 6,586,803.71 and 1,358,408.93 is: 2,037,807.50
Step by Step Solution
- Step 1: Write the proportion equation
4,390,784.21 : 6,586,803.71 = 1,358,408.93 : x - Step 2: Convert to fraction form
4,390,784.21/6,586,803.71 = 1,358,408.93/x - Step 3: Cross multiply
4,390,784.21x = 6,586,803.71 × 1,358,408.93 - Step 4: Simplify right side
4,390,784.21x = 8,947,572,989,880.92 - Step 5: Solve for x
x = 8,947,572,989,880.92/4,390,784.21 - Step 6: Final answer
x = 2,037,807.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.