Finding the Fourth Proportional to 5,412,303.29, 7,468,987.35 and 2,964,860.61
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Solution
The fourth proportional to 5,412,303.29, 7,468,987.35 and 2,964,860.61 is: 4,091,512.47
Step by Step Solution
- Step 1: Write the proportion equation
5,412,303.29 : 7,468,987.35 = 2,964,860.61 : x - Step 2: Convert to fraction form
5,412,303.29/7,468,987.35 = 2,964,860.61/x - Step 3: Cross multiply
5,412,303.29x = 7,468,987.35 × 2,964,860.61 - Step 4: Simplify right side
5,412,303.29x = 22,144,506,390,603.28 - Step 5: Solve for x
x = 22,144,506,390,603.28/5,412,303.29 - Step 6: Final answer
x = 4,091,512.47
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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.