Finding the Fourth Proportional to 6,430,813.68, 9,637,213.80 and 4,832,357.52
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Solution
The fourth proportional to 6,430,813.68, 9,637,213.80 and 4,832,357.52 is: 7,241,768.29
Step by Step Solution
- Step 1: Write the proportion equation
6,430,813.68 : 9,637,213.80 = 4,832,357.52 : x - Step 2: Convert to fraction form
6,430,813.68/9,637,213.80 = 4,832,357.52/x - Step 3: Cross multiply
6,430,813.68x = 9,637,213.80 × 4,832,357.52 - Step 4: Simplify right side
6,430,813.68x = 46,570,462,578,277.77 - Step 5: Solve for x
x = 46,570,462,578,277.77/6,430,813.68 - Step 6: Final answer
x = 7,241,768.29
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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.