Finding the Fourth Proportional to 5,688,637.88, 7,850,320.98 and 3,110,320.44
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Solution
The fourth proportional to 5,688,637.88, 7,850,320.98 and 3,110,320.44 is: 4,292,242.59
Step by Step Solution
- Step 1: Write the proportion equation
5,688,637.88 : 7,850,320.98 = 3,110,320.44 : x - Step 2: Convert to fraction form
5,688,637.88/7,850,320.98 = 3,110,320.44/x - Step 3: Cross multiply
5,688,637.88x = 7,850,320.98 × 3,110,320.44 - Step 4: Simplify right side
5,688,637.88x = 24,417,013,804,654.83 - Step 5: Solve for x
x = 24,417,013,804,654.83/5,688,637.88 - Step 6: Final answer
x = 4,292,242.59
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.