Finding the Fourth Proportional to 4,655,641.21, 6,421,145.17 and 3,024,574.10
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Solution
The fourth proportional to 4,655,641.21, 6,421,145.17 and 3,024,574.10 is: 4,171,547.70
Step by Step Solution
- Step 1: Write the proportion equation
4,655,641.21 : 6,421,145.17 = 3,024,574.10 : x - Step 2: Convert to fraction form
4,655,641.21/6,421,145.17 = 3,024,574.10/x - Step 3: Cross multiply
4,655,641.21x = 6,421,145.17 × 3,024,574.10 - Step 4: Simplify right side
4,655,641.21x = 19,421,229,355,230.09 - Step 5: Solve for x
x = 19,421,229,355,230.09/4,655,641.21 - Step 6: Final answer
x = 4,171,547.70
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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.