Finding the Fourth Proportional to 5,442,355.68, 8,164,714.47 and 1,655,740.14
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Solution
The fourth proportional to 5,442,355.68, 8,164,714.47 and 1,655,740.14 is: 2,483,969.49
Step by Step Solution
- Step 1: Write the proportion equation
5,442,355.68 : 8,164,714.47 = 1,655,740.14 : x - Step 2: Convert to fraction form
5,442,355.68/8,164,714.47 = 1,655,740.14/x - Step 3: Cross multiply
5,442,355.68x = 8,164,714.47 × 1,655,740.14 - Step 4: Simplify right side
5,442,355.68x = 13,518,645,479,617.82 - Step 5: Solve for x
x = 13,518,645,479,617.82/5,442,355.68 - Step 6: Final answer
x = 2,483,969.49
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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.