Finding the Fourth Proportional to 2,877,248, 3,970,602.24 and 1,605,440
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Solution
The fourth proportional to 2,877,248, 3,970,602.24 and 1,605,440 is: 2,215,507.20
Step by Step Solution
- Step 1: Write the proportion equation
2,877,248 : 3,970,602.24 = 1,605,440 : x - Step 2: Convert to fraction form
2,877,248/3,970,602.24 = 1,605,440/x - Step 3: Cross multiply
2,877,248x = 3,970,602.24 × 1,605,440 - Step 4: Simplify right side
2,877,248x = 6,374,563,660,185.60 - Step 5: Solve for x
x = 6,374,563,660,185.60/2,877,248 - Step 6: Final answer
x = 2,215,507.20
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.