Finding the Fourth Proportional to 4,698,920.04, 7,048,386.20 and 1,287,236.98
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Solution
The fourth proportional to 4,698,920.04, 7,048,386.20 and 1,287,236.98 is: 1,930,857.15
Step by Step Solution
- Step 1: Write the proportion equation
4,698,920.04 : 7,048,386.20 = 1,287,236.98 : x - Step 2: Convert to fraction form
4,698,920.04/7,048,386.20 = 1,287,236.98/x - Step 3: Cross multiply
4,698,920.04x = 7,048,386.20 × 1,287,236.98 - Step 4: Simplify right side
4,698,920.04x = 9,072,943,365,961.68 - Step 5: Solve for x
x = 9,072,943,365,961.68/4,698,920.04 - Step 6: Final answer
x = 1,930,857.15
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.