Home / 1,918,870.80-2,880,149.40-973,309.20

Finding the Fourth Proportional to 1,918,870.80, 2,880,149.40 and 973,309.20

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Solution

The fourth proportional to 1,918,870.80, 2,880,149.40 and 973,309.20 is: 1,460,898.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,870.80 : 2,880,149.40 = 973,309.20 : x
  2. Step 2: Convert to fraction form
    1,918,870.80/2,880,149.40 = 973,309.20/x
  3. Step 3: Cross multiply
    1,918,870.80x = 2,880,149.40 × 973,309.20
  4. Step 4: Simplify right side
    1,918,870.80x = 2,803,275,908,394.48
  5. Step 5: Solve for x
    x = 2,803,275,908,394.48/1,918,870.80
  6. Step 6: Final answer
    x = 1,460,898.73

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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.