Finding the Fourth Proportional to 6,430,905.27, 8,874,323.35 and 3,817,521.06
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Solution
The fourth proportional to 6,430,905.27, 8,874,323.35 and 3,817,521.06 is: 5,267,985.59
Step by Step Solution
- Step 1: Write the proportion equation
6,430,905.27 : 8,874,323.35 = 3,817,521.06 : x - Step 2: Convert to fraction form
6,430,905.27/8,874,323.35 = 3,817,521.06/x - Step 3: Cross multiply
6,430,905.27x = 8,874,323.35 × 3,817,521.06 - Step 4: Simplify right side
6,430,905.27x = 33,877,916,281,874.75 - Step 5: Solve for x
x = 33,877,916,281,874.75/6,430,905.27 - Step 6: Final answer
x = 5,267,985.59
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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.