Finding the Fourth Proportional to 2,926,966.23, 4,390,449.39 and 1,929,460.95
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Solution
The fourth proportional to 2,926,966.23, 4,390,449.39 and 1,929,460.95 is: 2,894,191.45
Step by Step Solution
- Step 1: Write the proportion equation
2,926,966.23 : 4,390,449.39 = 1,929,460.95 : x - Step 2: Convert to fraction form
2,926,966.23/4,390,449.39 = 1,929,460.95/x - Step 3: Cross multiply
2,926,966.23x = 4,390,449.39 × 1,929,460.95 - Step 4: Simplify right side
2,926,966.23x = 8,471,200,650,956.32 - Step 5: Solve for x
x = 8,471,200,650,956.32/2,926,966.23 - Step 6: Final answer
x = 2,894,191.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.