Finding the Fourth Proportional to 6,442,686.18, 9,671,031.45 and 2,607,148.53
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Solution
The fourth proportional to 6,442,686.18, 9,671,031.45 and 2,607,148.53 is: 3,913,556.35
Step by Step Solution
- Step 1: Write the proportion equation
6,442,686.18 : 9,671,031.45 = 2,607,148.53 : x - Step 2: Convert to fraction form
6,442,686.18/9,671,031.45 = 2,607,148.53/x - Step 3: Cross multiply
6,442,686.18x = 9,671,031.45 × 2,607,148.53 - Step 4: Simplify right side
6,442,686.18x = 25,213,815,428,451.27 - Step 5: Solve for x
x = 25,213,815,428,451.27/6,442,686.18 - Step 6: Final answer
x = 3,913,556.35
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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.