Finding the Fourth Proportional to 2,854,118.98, 3,938,654.19 and 1,564,956.46
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Solution
The fourth proportional to 2,854,118.98, 3,938,654.19 and 1,564,956.46 is: 2,159,623.46
Step by Step Solution
- Step 1: Write the proportion equation
2,854,118.98 : 3,938,654.19 = 1,564,956.46 : x - Step 2: Convert to fraction form
2,854,118.98/3,938,654.19 = 1,564,956.46/x - Step 3: Cross multiply
2,854,118.98x = 3,938,654.19 × 1,564,956.46 - Step 4: Simplify right side
2,854,118.98x = 6,163,822,318,346.57 - Step 5: Solve for x
x = 6,163,822,318,346.57/2,854,118.98 - Step 6: Final answer
x = 2,159,623.46
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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.