Home / 4,872,499.70-7,309,210.35-1,326,643.70

Finding the Fourth Proportional to 4,872,499.70, 7,309,210.35 and 1,326,643.70

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Solution

The fourth proportional to 4,872,499.70, 7,309,210.35 and 1,326,643.70 is: 1,990,091.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872,499.70 : 7,309,210.35 = 1,326,643.70 : x
  2. Step 2: Convert to fraction form
    4,872,499.70/7,309,210.35 = 1,326,643.70/x
  3. Step 3: Cross multiply
    4,872,499.70x = 7,309,210.35 × 1,326,643.70
  4. Step 4: Simplify right side
    4,872,499.70x = 9,696,717,862,802.30
  5. Step 5: Solve for x
    x = 9,696,717,862,802.30/4,872,499.70
  6. Step 6: Final answer
    x = 1,990,091.01

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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.