Finding the Fourth Proportional to 5,423,951.16, 7,484,507.73 and 3,248,438.58
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Solution
The fourth proportional to 5,423,951.16, 7,484,507.73 and 3,248,438.58 is: 4,482,518.91
Step by Step Solution
- Step 1: Write the proportion equation
5,423,951.16 : 7,484,507.73 = 3,248,438.58 : x - Step 2: Convert to fraction form
5,423,951.16/7,484,507.73 = 3,248,438.58/x - Step 3: Cross multiply
5,423,951.16x = 7,484,507.73 × 3,248,438.58 - Step 4: Simplify right side
5,423,951.16x = 24,312,963,662,440.23 - Step 5: Solve for x
x = 24,312,963,662,440.23/5,423,951.16 - Step 6: Final answer
x = 4,482,518.91
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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.