Home / 2,688,445.60-4,032,668.40-1,736,663.20

Finding the Fourth Proportional to 2,688,445.60, 4,032,668.40 and 1,736,663.20

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Solution

The fourth proportional to 2,688,445.60, 4,032,668.40 and 1,736,663.20 is: 2,604,994.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,445.60 : 4,032,668.40 = 1,736,663.20 : x
  2. Step 2: Convert to fraction form
    2,688,445.60/4,032,668.40 = 1,736,663.20/x
  3. Step 3: Cross multiply
    2,688,445.60x = 4,032,668.40 × 1,736,663.20
  4. Step 4: Simplify right side
    2,688,445.60x = 7,003,386,808,082.88
  5. Step 5: Solve for x
    x = 7,003,386,808,082.88/2,688,445.60
  6. Step 6: Final answer
    x = 2,604,994.80

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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.