Home / 2,925,985.60-4,038,231.84-1,636,897.60

Finding the Fourth Proportional to 2,925,985.60, 4,038,231.84 and 1,636,897.60

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Solution

The fourth proportional to 2,925,985.60, 4,038,231.84 and 1,636,897.60 is: 2,259,126.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925,985.60 : 4,038,231.84 = 1,636,897.60 : x
  2. Step 2: Convert to fraction form
    2,925,985.60/4,038,231.84 = 1,636,897.60/x
  3. Step 3: Cross multiply
    2,925,985.60x = 4,038,231.84 × 1,636,897.60
  4. Step 4: Simplify right side
    2,925,985.60x = 6,610,172,007,139.58
  5. Step 5: Solve for x
    x = 6,610,172,007,139.58/2,925,985.60
  6. Step 6: Final answer
    x = 2,259,126.64

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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.