Finding the Fourth Proportional to 2,694,248.79, 3,722,926.85 and 1,918,532.91
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Solution
The fourth proportional to 2,694,248.79, 3,722,926.85 and 1,918,532.91 is: 2,651,038.65
Step by Step Solution
- Step 1: Write the proportion equation
2,694,248.79 : 3,722,926.85 = 1,918,532.91 : x - Step 2: Convert to fraction form
2,694,248.79/3,722,926.85 = 1,918,532.91/x - Step 3: Cross multiply
2,694,248.79x = 3,722,926.85 × 1,918,532.91 - Step 4: Simplify right side
2,694,248.79x = 7,142,557,683,247.63 - Step 5: Solve for x
x = 7,142,557,683,247.63/2,694,248.79 - Step 6: Final answer
x = 2,651,038.65
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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.