Finding the Fourth Proportional to 4,700,386.71, 7,050,580.07 and 3,102,576.12
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Solution
The fourth proportional to 4,700,386.71, 7,050,580.07 and 3,102,576.12 is: 4,653,864.18
Step by Step Solution
- Step 1: Write the proportion equation
4,700,386.71 : 7,050,580.07 = 3,102,576.12 : x - Step 2: Convert to fraction form
4,700,386.71/7,050,580.07 = 3,102,576.12/x - Step 3: Cross multiply
4,700,386.71x = 7,050,580.07 × 3,102,576.12 - Step 4: Simplify right side
4,700,386.71x = 21,874,961,341,817.05 - Step 5: Solve for x
x = 21,874,961,341,817.05/4,700,386.71 - Step 6: Final answer
x = 4,653,864.18
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1.5x scale
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.