Finding the Fourth Proportional to 7,756,670, 11,636,265.72 and 2,292,319.28
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Solution
The fourth proportional to 7,756,670, 11,636,265.72 and 2,292,319.28 is: 3,438,851.50
Step by Step Solution
- Step 1: Write the proportion equation
7,756,670 : 11,636,265.72 = 2,292,319.28 : x - Step 2: Convert to fraction form
7,756,670/11,636,265.72 = 2,292,319.28/x - Step 3: Cross multiply
7,756,670x = 11,636,265.72 × 2,292,319.28 - Step 4: Simplify right side
7,756,670x = 26,674,036,257,159.08 - Step 5: Solve for x
x = 26,674,036,257,159.08/7,756,670 - Step 6: Final answer
x = 3,438,851.50
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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.