Home / 1,918,881.30-2,880,165.15-973,319.70

Finding the Fourth Proportional to 1,918,881.30, 2,880,165.15 and 973,319.70

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Solution

The fourth proportional to 1,918,881.30, 2,880,165.15 and 973,319.70 is: 1,460,914.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,881.30 : 2,880,165.15 = 973,319.70 : x
  2. Step 2: Convert to fraction form
    1,918,881.30/2,880,165.15 = 973,319.70/x
  3. Step 3: Cross multiply
    1,918,881.30x = 2,880,165.15 × 973,319.70
  4. Step 4: Simplify right side
    1,918,881.30x = 2,803,321,479,748.45
  5. Step 5: Solve for x
    x = 2,803,321,479,748.45/1,918,881.30
  6. Step 6: Final answer
    x = 1,460,914.48

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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.