Finding the Fourth Proportional to 5,368,657.41, 7,408,637.28 and 2,921,316.93
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Solution
The fourth proportional to 5,368,657.41, 7,408,637.28 and 2,921,316.93 is: 4,031,357.54
Step by Step Solution
- Step 1: Write the proportion equation
5,368,657.41 : 7,408,637.28 = 2,921,316.93 : x - Step 2: Convert to fraction form
5,368,657.41/7,408,637.28 = 2,921,316.93/x - Step 3: Cross multiply
5,368,657.41x = 7,408,637.28 × 2,921,316.93 - Step 4: Simplify right side
5,368,657.41x = 21,642,977,514,293.15 - Step 5: Solve for x
x = 21,642,977,514,293.15/5,368,657.41 - Step 6: Final answer
x = 4,031,357.54
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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.