Finding the Fourth Proportional to 7,224,828.84, 10,829,657.06 and 2,430,853.76
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Solution
The fourth proportional to 7,224,828.84, 10,829,657.06 and 2,430,853.76 is: 3,643,728.19
Step by Step Solution
- Step 1: Write the proportion equation
7,224,828.84 : 10,829,657.06 = 2,430,853.76 : x - Step 2: Convert to fraction form
7,224,828.84/10,829,657.06 = 2,430,853.76/x - Step 3: Cross multiply
7,224,828.84x = 10,829,657.06 × 2,430,853.76 - Step 4: Simplify right side
7,224,828.84x = 26,325,312,517,508.99 - Step 5: Solve for x
x = 26,325,312,517,508.99/7,224,828.84 - Step 6: Final answer
x = 3,643,728.19
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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.