Finding the Fourth Proportional to 4,282,143.52, 6,423,220.14 and 1,442,017.84
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Solution
The fourth proportional to 4,282,143.52, 6,423,220.14 and 1,442,017.84 is: 2,163,028.40
Step by Step Solution
- Step 1: Write the proportion equation
4,282,143.52 : 6,423,220.14 = 1,442,017.84 : x - Step 2: Convert to fraction form
4,282,143.52/6,423,220.14 = 1,442,017.84/x - Step 3: Cross multiply
4,282,143.52x = 6,423,220.14 × 1,442,017.84 - Step 4: Simplify right side
4,282,143.52x = 9,262,398,032,127.30 - Step 5: Solve for x
x = 9,262,398,032,127.30/4,282,143.52 - Step 6: Final answer
x = 2,163,028.40
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1.5x scale
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.