Home / 2,710,001.20-4,065,001.80-1,645,369.60

Finding the Fourth Proportional to 2,710,001.20, 4,065,001.80 and 1,645,369.60

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Solution

The fourth proportional to 2,710,001.20, 4,065,001.80 and 1,645,369.60 is: 2,468,054.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,710,001.20 : 4,065,001.80 = 1,645,369.60 : x
  2. Step 2: Convert to fraction form
    2,710,001.20/4,065,001.80 = 1,645,369.60/x
  3. Step 3: Cross multiply
    2,710,001.20x = 4,065,001.80 × 1,645,369.60
  4. Step 4: Simplify right side
    2,710,001.20x = 6,688,430,385,665.28
  5. Step 5: Solve for x
    x = 6,688,430,385,665.28/2,710,001.20
  6. Step 6: Final answer
    x = 2,468,054.40

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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.