Finding the Fourth Proportional to 4,866,353.83, 7,299,945.96 and 1,272,115.02
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Solution
The fourth proportional to 4,866,353.83, 7,299,945.96 and 1,272,115.02 is: 1,908,281.07
Step by Step Solution
- Step 1: Write the proportion equation
4,866,353.83 : 7,299,945.96 = 1,272,115.02 : x - Step 2: Convert to fraction form
4,866,353.83/7,299,945.96 = 1,272,115.02/x - Step 3: Cross multiply
4,866,353.83x = 7,299,945.96 × 1,272,115.02 - Step 4: Simplify right side
4,866,353.83x = 9,286,370,900,904.32 - Step 5: Solve for x
x = 9,286,370,900,904.32/4,866,353.83 - Step 6: Final answer
x = 1,908,281.07
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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.