Finding the Fourth Proportional to 4,754,430.56, 6,553,833.99 and 2,915,478.65
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Solution
The fourth proportional to 4,754,430.56, 6,553,833.99 and 2,915,478.65 is: 4,018,896.23
Step by Step Solution
- Step 1: Write the proportion equation
4,754,430.56 : 6,553,833.99 = 2,915,478.65 : x - Step 2: Convert to fraction form
4,754,430.56/6,553,833.99 = 2,915,478.65/x - Step 3: Cross multiply
4,754,430.56x = 6,553,833.99 × 2,915,478.65 - Step 4: Simplify right side
4,754,430.56x = 19,107,563,073,489.31 - Step 5: Solve for x
x = 19,107,563,073,489.31/4,754,430.56 - Step 6: Final answer
x = 4,018,896.23
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.