Finding the Fourth Proportional to 7,710,466.16, 10,640,506.28 and 4,272,764.56
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Solution
The fourth proportional to 7,710,466.16, 10,640,506.28 and 4,272,764.56 is: 5,896,449.99
Step by Step Solution
- Step 1: Write the proportion equation
7,710,466.16 : 10,640,506.28 = 4,272,764.56 : x - Step 2: Convert to fraction form
7,710,466.16/10,640,506.28 = 4,272,764.56/x - Step 3: Cross multiply
7,710,466.16x = 10,640,506.28 × 4,272,764.56 - Step 4: Simplify right side
7,710,466.16x = 45,464,378,133,641.43 - Step 5: Solve for x
x = 45,464,378,133,641.43/7,710,466.16 - Step 6: Final answer
x = 5,896,449.99
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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.