Home / 2,934,987.40-4,398,981.90-1,229,127.40

Finding the Fourth Proportional to 2,934,987.40, 4,398,981.90 and 1,229,127.40

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Solution

The fourth proportional to 2,934,987.40, 4,398,981.90 and 1,229,127.40 is: 1,842,225.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934,987.40 : 4,398,981.90 = 1,229,127.40 : x
  2. Step 2: Convert to fraction form
    2,934,987.40/4,398,981.90 = 1,229,127.40/x
  3. Step 3: Cross multiply
    2,934,987.40x = 4,398,981.90 × 1,229,127.40
  4. Step 4: Simplify right side
    2,934,987.40x = 5,406,909,185,394.06
  5. Step 5: Solve for x
    x = 5,406,909,185,394.06/2,934,987.40
  6. Step 6: Final answer
    x = 1,842,225.69

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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.