Finding the Fourth Proportional to 4,906,293.84, 7,358,923.08 and 1,312,423.56
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Solution
The fourth proportional to 4,906,293.84, 7,358,923.08 and 1,312,423.56 is: 1,968,496.86
Step by Step Solution
- Step 1: Write the proportion equation
4,906,293.84 : 7,358,923.08 = 1,312,423.56 : x - Step 2: Convert to fraction form
4,906,293.84/7,358,923.08 = 1,312,423.56/x - Step 3: Cross multiply
4,906,293.84x = 7,358,923.08 × 1,312,423.56 - Step 4: Simplify right side
4,906,293.84x = 9,658,024,026,419.77 - Step 5: Solve for x
x = 9,658,024,026,419.77/4,906,293.84 - Step 6: Final answer
x = 1,968,496.86
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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.