Finding the Fourth Proportional to 6,674,721.84, 9,211,059.48 and 3,774,681.84
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Solution
The fourth proportional to 6,674,721.84, 9,211,059.48 and 3,774,681.84 is: 5,209,028.90
Step by Step Solution
- Step 1: Write the proportion equation
6,674,721.84 : 9,211,059.48 = 3,774,681.84 : x - Step 2: Convert to fraction form
6,674,721.84/9,211,059.48 = 3,774,681.84/x - Step 3: Cross multiply
6,674,721.84x = 9,211,059.48 × 3,774,681.84 - Step 4: Simplify right side
6,674,721.84x = 34,768,818,946,315.84 - Step 5: Solve for x
x = 34,768,818,946,315.84/6,674,721.84 - Step 6: Final answer
x = 5,209,028.90
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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.