Finding the Fourth Proportional to 5,502,117.90, 8,237,430.45 and 4,872,261.90
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Solution
The fourth proportional to 5,502,117.90, 8,237,430.45 and 4,872,261.90 is: 7,294,449.02
Step by Step Solution
- Step 1: Write the proportion equation
5,502,117.90 : 8,237,430.45 = 4,872,261.90 : x - Step 2: Convert to fraction form
5,502,117.90/8,237,430.45 = 4,872,261.90/x - Step 3: Cross multiply
5,502,117.90x = 8,237,430.45 × 4,872,261.90 - Step 4: Simplify right side
5,502,117.90x = 40,134,918,535,434.86 - Step 5: Solve for x
x = 40,134,918,535,434.86/5,502,117.90 - Step 6: Final answer
x = 7,294,449.02
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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.