Finding the Fourth Proportional to 6,641,058.84, 9,961,590.96 and 5,126,952.30
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Solution
The fourth proportional to 6,641,058.84, 9,961,590.96 and 5,126,952.30 is: 7,690,430.53
Step by Step Solution
- Step 1: Write the proportion equation
6,641,058.84 : 9,961,590.96 = 5,126,952.30 : x - Step 2: Convert to fraction form
6,641,058.84/9,961,590.96 = 5,126,952.30/x - Step 3: Cross multiply
6,641,058.84x = 9,961,590.96 × 5,126,952.30 - Step 4: Simplify right side
6,641,058.84x = 51,072,601,684,031.21 - Step 5: Solve for x
x = 51,072,601,684,031.21/6,641,058.84 - Step 6: Final answer
x = 7,690,430.53
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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.