Finding the Fourth Proportional to 2,570,479.84, 3,547,652.87 and 1,640,589.02
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Solution
The fourth proportional to 2,570,479.84, 3,547,652.87 and 1,640,589.02 is: 2,264,262.20
Step by Step Solution
- Step 1: Write the proportion equation
2,570,479.84 : 3,547,652.87 = 1,640,589.02 : x - Step 2: Convert to fraction form
2,570,479.84/3,547,652.87 = 1,640,589.02/x - Step 3: Cross multiply
2,570,479.84x = 3,547,652.87 × 1,640,589.02 - Step 4: Simplify right side
2,570,479.84x = 5,820,240,335,732.08 - Step 5: Solve for x
x = 5,820,240,335,732.08/2,570,479.84 - Step 6: Final answer
x = 2,264,262.20
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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.