Finding the Fourth Proportional to 5,422,848.64, 8,134,485.12 and 1,636,332.16
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Solution
The fourth proportional to 5,422,848.64, 8,134,485.12 and 1,636,332.16 is: 2,454,562.26
Step by Step Solution
- Step 1: Write the proportion equation
5,422,848.64 : 8,134,485.12 = 1,636,332.16 : x - Step 2: Convert to fraction form
5,422,848.64/8,134,485.12 = 1,636,332.16/x - Step 3: Cross multiply
5,422,848.64x = 8,134,485.12 × 1,636,332.16 - Step 4: Simplify right side
5,422,848.64x = 13,310,719,606,897.46 - Step 5: Solve for x
x = 13,310,719,606,897.46/5,422,848.64 - Step 6: Final answer
x = 2,454,562.26
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.