Home / 2,106,521.60-3,160,281.60-686,585.60

Finding the Fourth Proportional to 2,106,521.60, 3,160,281.60 and 686,585.60

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Solution

The fourth proportional to 2,106,521.60, 3,160,281.60 and 686,585.60 is: 1,030,041.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,521.60 : 3,160,281.60 = 686,585.60 : x
  2. Step 2: Convert to fraction form
    2,106,521.60/3,160,281.60 = 686,585.60/x
  3. Step 3: Cross multiply
    2,106,521.60x = 3,160,281.60 × 686,585.60
  4. Step 4: Simplify right side
    2,106,521.60x = 2,169,803,838,504.96
  5. Step 5: Solve for x
    x = 2,169,803,838,504.96/2,106,521.60
  6. Step 6: Final answer
    x = 1,030,041.11

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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.