Home / 5,186,361.78-7,779,561.36-1,592,128.92

Finding the Fourth Proportional to 5,186,361.78, 7,779,561.36 and 1,592,128.92

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Solution

The fourth proportional to 5,186,361.78, 7,779,561.36 and 1,592,128.92 is: 2,388,199.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186,361.78 : 7,779,561.36 = 1,592,128.92 : x
  2. Step 2: Convert to fraction form
    5,186,361.78/7,779,561.36 = 1,592,128.92/x
  3. Step 3: Cross multiply
    5,186,361.78x = 7,779,561.36 × 1,592,128.92
  4. Step 4: Simplify right side
    5,186,361.78x = 12,386,064,626,170.53
  5. Step 5: Solve for x
    x = 12,386,064,626,170.53/5,186,361.78
  6. Step 6: Final answer
    x = 2,388,199.12

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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.