Finding the Fourth Proportional to 3,506,420.88, 5,259,781.35 and 1,376,965.71
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Solution
The fourth proportional to 3,506,420.88, 5,259,781.35 and 1,376,965.71 is: 2,065,507.48
Step by Step Solution
- Step 1: Write the proportion equation
3,506,420.88 : 5,259,781.35 = 1,376,965.71 : x - Step 2: Convert to fraction form
3,506,420.88/5,259,781.35 = 1,376,965.71/x - Step 3: Cross multiply
3,506,420.88x = 5,259,781.35 × 1,376,965.71 - Step 4: Simplify right side
3,506,420.88x = 7,242,538,561,047.51 - Step 5: Solve for x
x = 7,242,538,561,047.51/3,506,420.88 - Step 6: Final answer
x = 2,065,507.48
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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.