Finding the Fourth Proportional to 4,238,113.68, 6,357,952.44 and 1,398,425.04
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Solution
The fourth proportional to 4,238,113.68, 6,357,952.44 and 1,398,425.04 is: 2,097,895.57
Step by Step Solution
- Step 1: Write the proportion equation
4,238,113.68 : 6,357,952.44 = 1,398,425.04 : x - Step 2: Convert to fraction form
4,238,113.68/6,357,952.44 = 1,398,425.04/x - Step 3: Cross multiply
4,238,113.68x = 6,357,952.44 × 1,398,425.04 - Step 4: Simplify right side
4,238,113.68x = 8,891,119,895,225.10 - Step 5: Solve for x
x = 8,891,119,895,225.10/4,238,113.68 - Step 6: Final answer
x = 2,097,895.57
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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.