Finding the Fourth Proportional to 5,130,107.80, 7,690,815.54 and 2,249,291.36
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Solution
The fourth proportional to 5,130,107.80, 7,690,815.54 and 2,249,291.36 is: 3,372,031.48
Step by Step Solution
- Step 1: Write the proportion equation
5,130,107.80 : 7,690,815.54 = 2,249,291.36 : x - Step 2: Convert to fraction form
5,130,107.80/7,690,815.54 = 2,249,291.36/x - Step 3: Cross multiply
5,130,107.80x = 7,690,815.54 × 2,249,291.36 - Step 4: Simplify right side
5,130,107.80x = 17,298,884,964,702.77 - Step 5: Solve for x
x = 17,298,884,964,702.77/5,130,107.80 - Step 6: Final answer
x = 3,372,031.48
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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.