Finding the Fourth Proportional to 4,884,392.18, 7,326,938.18 and 1,290,123.29
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Solution
The fourth proportional to 4,884,392.18, 7,326,938.18 and 1,290,123.29 is: 1,935,277.36
Step by Step Solution
- Step 1: Write the proportion equation
4,884,392.18 : 7,326,938.18 = 1,290,123.29 : x - Step 2: Convert to fraction form
4,884,392.18/7,326,938.18 = 1,290,123.29/x - Step 3: Cross multiply
4,884,392.18x = 7,326,938.18 × 1,290,123.29 - Step 4: Simplify right side
4,884,392.18x = 9,452,653,590,408.21 - Step 5: Solve for x
x = 9,452,653,590,408.21/4,884,392.18 - Step 6: Final answer
x = 1,935,277.36
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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.