Finding the Fourth Proportional to 2,068,982.19, 2,854,767.65 and 1,209,376.17
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Solution
The fourth proportional to 2,068,982.19, 2,854,767.65 and 1,209,376.17 is: 1,668,689.07
Step by Step Solution
- Step 1: Write the proportion equation
2,068,982.19 : 2,854,767.65 = 1,209,376.17 : x - Step 2: Convert to fraction form
2,068,982.19/2,854,767.65 = 1,209,376.17/x - Step 3: Cross multiply
2,068,982.19x = 2,854,767.65 × 1,209,376.17 - Step 4: Simplify right side
2,068,982.19x = 3,452,487,960,750.02 - Step 5: Solve for x
x = 3,452,487,960,750.02/2,068,982.19 - Step 6: Final answer
x = 1,668,689.07
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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.