Home / 1,921,459.74-2,879,859.06-1,411,290.15

Finding the Fourth Proportional to 1,921,459.74, 2,879,859.06 and 1,411,290.15

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Solution

The fourth proportional to 1,921,459.74, 2,879,859.06 and 1,411,290.15 is: 2,115,223.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,459.74 : 2,879,859.06 = 1,411,290.15 : x
  2. Step 2: Convert to fraction form
    1,921,459.74/2,879,859.06 = 1,411,290.15/x
  3. Step 3: Cross multiply
    1,921,459.74x = 2,879,859.06 × 1,411,290.15
  4. Step 4: Simplify right side
    1,921,459.74x = 4,064,316,724,766.26
  5. Step 5: Solve for x
    x = 4,064,316,724,766.26/1,921,459.74
  6. Step 6: Final answer
    x = 2,115,223.46

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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.