Finding the Fourth Proportional to 6,774,405.47, 9,348,562.23 and 3,676,862.36
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Solution
The fourth proportional to 6,774,405.47, 9,348,562.23 and 3,676,862.36 is: 5,074,006.38
Step by Step Solution
- Step 1: Write the proportion equation
6,774,405.47 : 9,348,562.23 = 3,676,862.36 : x - Step 2: Convert to fraction form
6,774,405.47/9,348,562.23 = 3,676,862.36/x - Step 3: Cross multiply
6,774,405.47x = 9,348,562.23 × 3,676,862.36 - Step 4: Simplify right side
6,774,405.47x = 34,373,376,583,604.66 - Step 5: Solve for x
x = 34,373,376,583,604.66/6,774,405.47 - Step 6: Final answer
x = 5,074,006.38
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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.