Finding the Fourth Proportional to 6,475,743.36, 9,712,730.16 and 1,927,494.12
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Solution
The fourth proportional to 6,475,743.36, 9,712,730.16 and 1,927,494.12 is: 2,890,977.80
Step by Step Solution
- Step 1: Write the proportion equation
6,475,743.36 : 9,712,730.16 = 1,927,494.12 : x - Step 2: Convert to fraction form
6,475,743.36/9,712,730.16 = 1,927,494.12/x - Step 3: Cross multiply
6,475,743.36x = 9,712,730.16 × 1,927,494.12 - Step 4: Simplify right side
6,475,743.36x = 18,721,230,272,546.66 - Step 5: Solve for x
x = 18,721,230,272,546.66/6,475,743.36 - Step 6: Final answer
x = 2,890,977.80
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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.