Home / 2,118,078.36-2,922,967.62-1,151,210.88

Finding the Fourth Proportional to 2,118,078.36, 2,922,967.62 and 1,151,210.88

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Solution

The fourth proportional to 2,118,078.36, 2,922,967.62 and 1,151,210.88 is: 1,588,681.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,078.36 : 2,922,967.62 = 1,151,210.88 : x
  2. Step 2: Convert to fraction form
    2,118,078.36/2,922,967.62 = 1,151,210.88/x
  3. Step 3: Cross multiply
    2,118,078.36x = 2,922,967.62 × 1,151,210.88
  4. Step 4: Simplify right side
    2,118,078.36x = 3,364,952,126,031.71
  5. Step 5: Solve for x
    x = 3,364,952,126,031.71/2,118,078.36
  6. Step 6: Final answer
    x = 1,588,681.60

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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.