Finding the Fourth Proportional to 3,484,387.60, 4,808,590.56 and 1,935,766.14
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Solution
The fourth proportional to 3,484,387.60, 4,808,590.56 and 1,935,766.14 is: 2,671,432.65
Step by Step Solution
- Step 1: Write the proportion equation
3,484,387.60 : 4,808,590.56 = 1,935,766.14 : x - Step 2: Convert to fraction form
3,484,387.60/4,808,590.56 = 1,935,766.14/x - Step 3: Cross multiply
3,484,387.60x = 4,808,590.56 × 1,935,766.14 - Step 4: Simplify right side
3,484,387.60x = 9,308,306,787,171.64 - Step 5: Solve for x
x = 9,308,306,787,171.64/3,484,387.60 - Step 6: Final answer
x = 2,671,432.65
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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.