Home / 2,312,748.90-3,472,533.65-1,290,077.37

Finding the Fourth Proportional to 2,312,748.90, 3,472,533.65 and 1,290,077.37

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Solution

The fourth proportional to 2,312,748.90, 3,472,533.65 and 1,290,077.37 is: 1,937,018.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312,748.90 : 3,472,533.65 = 1,290,077.37 : x
  2. Step 2: Convert to fraction form
    2,312,748.90/3,472,533.65 = 1,290,077.37/x
  3. Step 3: Cross multiply
    2,312,748.90x = 3,472,533.65 × 1,290,077.37
  4. Step 4: Simplify right side
    2,312,748.90x = 4,479,837,078,428.50
  5. Step 5: Solve for x
    x = 4,479,837,078,428.50/2,312,748.90
  6. Step 6: Final answer
    x = 1,937,018.36

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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.