Home / 1,668,820.15-2,303,017.08-943,776.30

Finding the Fourth Proportional to 1,668,820.15, 2,303,017.08 and 943,776.30

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Solution

The fourth proportional to 1,668,820.15, 2,303,017.08 and 943,776.30 is: 1,302,436.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,820.15 : 2,303,017.08 = 943,776.30 : x
  2. Step 2: Convert to fraction form
    1,668,820.15/2,303,017.08 = 943,776.30/x
  3. Step 3: Cross multiply
    1,668,820.15x = 2,303,017.08 × 943,776.30
  4. Step 4: Simplify right side
    1,668,820.15x = 2,173,532,938,599.20
  5. Step 5: Solve for x
    x = 2,173,532,938,599.20/1,668,820.15
  6. Step 6: Final answer
    x = 1,302,436.90

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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.