Finding the Fourth Proportional to 6,345,762.21, 8,748,475.66 and 4,358,837.17
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Solution
The fourth proportional to 6,345,762.21, 8,748,475.66 and 4,358,837.17 is: 6,009,235.71
Step by Step Solution
- Step 1: Write the proportion equation
6,345,762.21 : 8,748,475.66 = 4,358,837.17 : x - Step 2: Convert to fraction form
6,345,762.21/8,748,475.66 = 4,358,837.17/x - Step 3: Cross multiply
6,345,762.21x = 8,748,475.66 × 4,358,837.17 - Step 4: Simplify right side
6,345,762.21x = 38,133,180,822,111.72 - Step 5: Solve for x
x = 38,133,180,822,111.72/6,345,762.21 - Step 6: Final answer
x = 6,009,235.71
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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.