Finding the Fourth Proportional to 5,627,798.90, 8,442,539.11 and 1,789,746.53
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Solution
The fourth proportional to 5,627,798.90, 8,442,539.11 and 1,789,746.53 is: 2,684,887.17
Step by Step Solution
- Step 1: Write the proportion equation
5,627,798.90 : 8,442,539.11 = 1,789,746.53 : x - Step 2: Convert to fraction form
5,627,798.90/8,442,539.11 = 1,789,746.53/x - Step 3: Cross multiply
5,627,798.90x = 8,442,539.11 × 1,789,746.53 - Step 4: Simplify right side
5,627,798.90x = 15,110,005,044,259.83 - Step 5: Solve for x
x = 15,110,005,044,259.83/5,627,798.90 - Step 6: Final answer
x = 2,684,887.17
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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.