Home / 2,631,087.70-3,630,901.01-1,423,863.70

Finding the Fourth Proportional to 2,631,087.70, 3,630,901.01 and 1,423,863.70

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Solution

The fourth proportional to 2,631,087.70, 3,630,901.01 and 1,423,863.70 is: 1,964,931.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,087.70 : 3,630,901.01 = 1,423,863.70 : x
  2. Step 2: Convert to fraction form
    2,631,087.70/3,630,901.01 = 1,423,863.70/x
  3. Step 3: Cross multiply
    2,631,087.70x = 3,630,901.01 × 1,423,863.70
  4. Step 4: Simplify right side
    2,631,087.70x = 5,169,908,130,235.77
  5. Step 5: Solve for x
    x = 5,169,908,130,235.77/2,631,087.70
  6. Step 6: Final answer
    x = 1,964,931.89

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Double scale
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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.