Home / 2,076,421.60-3,115,215.60-1,011,498.40

Finding the Fourth Proportional to 2,076,421.60, 3,115,215.60 and 1,011,498.40

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Solution

The fourth proportional to 2,076,421.60, 3,115,215.60 and 1,011,498.40 is: 1,517,531.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,421.60 : 3,115,215.60 = 1,011,498.40 : x
  2. Step 2: Convert to fraction form
    2,076,421.60/3,115,215.60 = 1,011,498.40/x
  3. Step 3: Cross multiply
    2,076,421.60x = 3,115,215.60 × 1,011,498.40
  4. Step 4: Simplify right side
    2,076,421.60x = 3,151,035,595,055.04
  5. Step 5: Solve for x
    x = 3,151,035,595,055.04/2,076,421.60
  6. Step 6: Final answer
    x = 1,517,531.70

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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.