Finding the Fourth Proportional to 7,712,730.51, 11,566,765.80 and 2,319,948.96
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Solution
The fourth proportional to 7,712,730.51, 11,566,765.80 and 2,319,948.96 is: 3,479,222.60
Step by Step Solution
- Step 1: Write the proportion equation
7,712,730.51 : 11,566,765.80 = 2,319,948.96 : x - Step 2: Convert to fraction form
7,712,730.51/11,566,765.80 = 2,319,948.96/x - Step 3: Cross multiply
7,712,730.51x = 11,566,765.80 × 2,319,948.96 - Step 4: Simplify right side
7,712,730.51x = 26,834,306,288,273.57 - Step 5: Solve for x
x = 26,834,306,288,273.57/7,712,730.51 - Step 6: Final answer
x = 3,479,222.60
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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.