Home / 1,680,140.10-2,520,210.15-558,209.10

Finding the Fourth Proportional to 1,680,140.10, 2,520,210.15 and 558,209.10

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Solution

The fourth proportional to 1,680,140.10, 2,520,210.15 and 558,209.10 is: 837,313.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,140.10 : 2,520,210.15 = 558,209.10 : x
  2. Step 2: Convert to fraction form
    1,680,140.10/2,520,210.15 = 558,209.10/x
  3. Step 3: Cross multiply
    1,680,140.10x = 2,520,210.15 × 558,209.10
  4. Step 4: Simplify right side
    1,680,140.10x = 1,406,804,239,642.37
  5. Step 5: Solve for x
    x = 1,406,804,239,642.37/1,680,140.10
  6. Step 6: Final answer
    x = 837,313.65

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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.