Finding the Fourth Proportional to 2,854,422.84, 3,939,101.21 and 1,547,718.18
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Solution
The fourth proportional to 2,854,422.84, 3,939,101.21 and 1,547,718.18 is: 2,135,849.84
Step by Step Solution
- Step 1: Write the proportion equation
2,854,422.84 : 3,939,101.21 = 1,547,718.18 : x - Step 2: Convert to fraction form
2,854,422.84/3,939,101.21 = 1,547,718.18/x - Step 3: Cross multiply
2,854,422.84x = 3,939,101.21 × 1,547,718.18 - Step 4: Simplify right side
2,854,422.84x = 6,096,618,566,832.11 - Step 5: Solve for x
x = 6,096,618,566,832.11/2,854,422.84 - Step 6: Final answer
x = 2,135,849.84
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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.