Finding the Fourth Proportional to 7,243,368.86, 9,995,263.98 and 4,187,779.94
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Solution
The fourth proportional to 7,243,368.86, 9,995,263.98 and 4,187,779.94 is: 5,778,798.07
Step by Step Solution
- Step 1: Write the proportion equation
7,243,368.86 : 9,995,263.98 = 4,187,779.94 : x - Step 2: Convert to fraction form
7,243,368.86/9,995,263.98 = 4,187,779.94/x - Step 3: Cross multiply
7,243,368.86x = 9,995,263.98 × 4,187,779.94 - Step 4: Simplify right side
7,243,368.86x = 41,857,965,990,448.56 - Step 5: Solve for x
x = 41,857,965,990,448.56/7,243,368.86 - Step 6: Final answer
x = 5,778,798.07
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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.