Home / 2,118,990.60-2,924,172.58-1,152,145.24

Finding the Fourth Proportional to 2,118,990.60, 2,924,172.58 and 1,152,145.24

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Solution

The fourth proportional to 2,118,990.60, 2,924,172.58 and 1,152,145.24 is: 1,589,941.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,990.60 : 2,924,172.58 = 1,152,145.24 : x
  2. Step 2: Convert to fraction form
    2,118,990.60/2,924,172.58 = 1,152,145.24/x
  3. Step 3: Cross multiply
    2,118,990.60x = 2,924,172.58 × 1,152,145.24
  4. Step 4: Simplify right side
    2,118,990.60x = 3,369,071,518,985.52
  5. Step 5: Solve for x
    x = 3,369,071,518,985.52/2,118,990.60
  6. Step 6: Final answer
    x = 1,589,941.70

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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.