Finding the Fourth Proportional to 2,078,898.84, 3,118,347.84 and 782,294.88
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Solution
The fourth proportional to 2,078,898.84, 3,118,347.84 and 782,294.88 is: 1,173,442.16
Step by Step Solution
- Step 1: Write the proportion equation
2,078,898.84 : 3,118,347.84 = 782,294.88 : x - Step 2: Convert to fraction form
2,078,898.84/3,118,347.84 = 782,294.88/x - Step 3: Cross multiply
2,078,898.84x = 3,118,347.84 × 782,294.88 - Step 4: Simplify right side
2,078,898.84x = 2,439,467,549,291.06 - Step 5: Solve for x
x = 2,439,467,549,291.06/2,078,898.84 - Step 6: Final answer
x = 1,173,442.16
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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.