Finding the Fourth Proportional to 6,475,805.53, 9,713,574.90 and 2,158,169.31
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Solution
The fourth proportional to 6,475,805.53, 9,713,574.90 and 2,158,169.31 is: 3,237,209.51
Step by Step Solution
- Step 1: Write the proportion equation
6,475,805.53 : 9,713,574.90 = 2,158,169.31 : x - Step 2: Convert to fraction form
6,475,805.53/9,713,574.90 = 2,158,169.31/x - Step 3: Cross multiply
6,475,805.53x = 9,713,574.90 × 2,158,169.31 - Step 4: Simplify right side
6,475,805.53x = 20,963,539,239,566.32 - Step 5: Solve for x
x = 20,963,539,239,566.32/6,475,805.53 - Step 6: Final answer
x = 3,237,209.51
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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.