Home / 2,860,312.56-3,946,253.52-1,636,172.08

Finding the Fourth Proportional to 2,860,312.56, 3,946,253.52 and 1,636,172.08

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Solution

The fourth proportional to 2,860,312.56, 3,946,253.52 and 1,636,172.08 is: 2,257,358.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860,312.56 : 3,946,253.52 = 1,636,172.08 : x
  2. Step 2: Convert to fraction form
    2,860,312.56/3,946,253.52 = 1,636,172.08/x
  3. Step 3: Cross multiply
    2,860,312.56x = 3,946,253.52 × 1,636,172.08
  4. Step 4: Simplify right side
    2,860,312.56x = 6,456,749,830,025.72
  5. Step 5: Solve for x
    x = 6,456,749,830,025.72/2,860,312.56
  6. Step 6: Final answer
    x = 2,257,358.14

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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.