Finding the Fourth Proportional to 6,292,869.60, 8,681,920.56 and 3,713,259.36
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Solution
The fourth proportional to 6,292,869.60, 8,681,920.56 and 3,713,259.36 is: 5,122,976.45
Step by Step Solution
- Step 1: Write the proportion equation
6,292,869.60 : 8,681,920.56 = 3,713,259.36 : x - Step 2: Convert to fraction form
6,292,869.60/8,681,920.56 = 3,713,259.36/x - Step 3: Cross multiply
6,292,869.60x = 8,681,920.56 × 3,713,259.36 - Step 4: Simplify right side
6,292,869.60x = 32,238,222,782,196.44 - Step 5: Solve for x
x = 32,238,222,782,196.44/6,292,869.60 - Step 6: Final answer
x = 5,122,976.45
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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.