Home / 2,989,875.12-4,124,592.63-1,956,928.16

Finding the Fourth Proportional to 2,989,875.12, 4,124,592.63 and 1,956,928.16

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Solution

The fourth proportional to 2,989,875.12, 4,124,592.63 and 1,956,928.16 is: 2,699,621.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,875.12 : 4,124,592.63 = 1,956,928.16 : x
  2. Step 2: Convert to fraction form
    2,989,875.12/4,124,592.63 = 1,956,928.16/x
  3. Step 3: Cross multiply
    2,989,875.12x = 4,124,592.63 × 1,956,928.16
  4. Step 4: Simplify right side
    2,989,875.12x = 8,071,531,445,552.50
  5. Step 5: Solve for x
    x = 8,071,531,445,552.50/2,989,875.12
  6. Step 6: Final answer
    x = 2,699,621.60

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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.