Finding the Fourth Proportional to 5,065,507.48, 6,990,271.56 and 2,830,303.26
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Solution
The fourth proportional to 5,065,507.48, 6,990,271.56 and 2,830,303.26 is: 3,905,746.55
Step by Step Solution
- Step 1: Write the proportion equation
5,065,507.48 : 6,990,271.56 = 2,830,303.26 : x - Step 2: Convert to fraction form
5,065,507.48/6,990,271.56 = 2,830,303.26/x - Step 3: Cross multiply
5,065,507.48x = 6,990,271.56 × 2,830,303.26 - Step 4: Simplify right side
5,065,507.48x = 19,784,588,384,553.28 - Step 5: Solve for x
x = 19,784,588,384,553.28/5,065,507.48 - Step 6: Final answer
x = 3,905,746.55
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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.