Finding the Fourth Proportional to 7,710,691.36, 10,640,813.52 and 4,272,988
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Solution
The fourth proportional to 7,710,691.36, 10,640,813.52 and 4,272,988 is: 5,896,756.38
Step by Step Solution
- Step 1: Write the proportion equation
7,710,691.36 : 10,640,813.52 = 4,272,988 : x - Step 2: Convert to fraction form
7,710,691.36/10,640,813.52 = 4,272,988/x - Step 3: Cross multiply
7,710,691.36x = 10,640,813.52 × 4,272,988 - Step 4: Simplify right side
7,710,691.36x = 45,468,068,481,197.76 - Step 5: Solve for x
x = 45,468,068,481,197.76/7,710,691.36 - Step 6: Final answer
x = 5,896,756.38
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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.