Finding the Fourth Proportional to 5,405,374.70, 7,459,417.56 and 2,957,985.62
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Solution
The fourth proportional to 5,405,374.70, 7,459,417.56 and 2,957,985.62 is: 4,082,020.41
Step by Step Solution
- Step 1: Write the proportion equation
5,405,374.70 : 7,459,417.56 = 2,957,985.62 : x - Step 2: Convert to fraction form
5,405,374.70/7,459,417.56 = 2,957,985.62/x - Step 3: Cross multiply
5,405,374.70x = 7,459,417.56 × 2,957,985.62 - Step 4: Simplify right side
5,405,374.70x = 22,064,849,838,758.40 - Step 5: Solve for x
x = 22,064,849,838,758.40/5,405,374.70 - Step 6: Final answer
x = 4,082,020.41
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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.