Finding the Fourth Proportional to 4,280,901.16, 6,421,701.18 and 2,149,889.32
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Solution
The fourth proportional to 4,280,901.16, 6,421,701.18 and 2,149,889.32 is: 3,225,009.47
Step by Step Solution
- Step 1: Write the proportion equation
4,280,901.16 : 6,421,701.18 = 2,149,889.32 : x - Step 2: Convert to fraction form
4,280,901.16/6,421,701.18 = 2,149,889.32/x - Step 3: Cross multiply
4,280,901.16x = 6,421,701.18 × 2,149,889.32 - Step 4: Simplify right side
4,280,901.16x = 13,805,946,783,113.40 - Step 5: Solve for x
x = 13,805,946,783,113.40/4,280,901.16 - Step 6: Final answer
x = 3,225,009.47
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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.