Home / 4,999,559.16-7,502,068.88-2,120,478.16

Finding the Fourth Proportional to 4,999,559.16, 7,502,068.88 and 2,120,478.16

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Solution

The fourth proportional to 4,999,559.16, 7,502,068.88 and 2,120,478.16 is: 3,181,875.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999,559.16 : 7,502,068.88 = 2,120,478.16 : x
  2. Step 2: Convert to fraction form
    4,999,559.16/7,502,068.88 = 2,120,478.16/x
  3. Step 3: Cross multiply
    4,999,559.16x = 7,502,068.88 × 2,120,478.16
  4. Step 4: Simplify right side
    4,999,559.16x = 15,907,973,214,855.66
  5. Step 5: Solve for x
    x = 15,907,973,214,855.66/4,999,559.16
  6. Step 6: Final answer
    x = 3,181,875.18

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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.